Move config2 into config

internal/cli/utils.go

@@ -0,0 +1,66 @@
+package cli
+
+import (
+	"fmt"
+	"net"
+	"net/url"
+	"os"
+
+	"github.com/9seconds/mtg/v2/internal/config2"
+	"github.com/9seconds/mtg/v2/mtglib"
+	"github.com/9seconds/mtg/v2/network"
+)
+
+func readTOMLConfig(path string) (*config2.Config, error) {
+	content, err := os.ReadFile(path)
+	if err != nil {
+		return nil, fmt.Errorf("cannot read config file: %w", err)
+	}
+
+	conf, err := config2.Parse(content)
+	if err != nil {
+		return nil, fmt.Errorf("cannot parse config: %w", err)
+	}
+
+	return conf, nil
+}
+
+func makeNetwork(conf *config2.Config, version string) (mtglib.Network, error) {
+	tcpTimeout := conf.Network.Timeout.TCP.Get(network.DefaultTimeout)
+	httpTimeout := conf.Network.Timeout.HTTP.Get(network.DefaultHTTPTimeout)
+	dohIP := conf.Network.DOHIP.Get(net.ParseIP(network.DefaultDOHHostname)).String()
+	bufferSize := conf.TCPBuffer.Get(network.DefaultBufferSize)
+	userAgent := "mtg/" + version
+
+	baseDialer, err := network.NewDefaultDialer(tcpTimeout, int(bufferSize))
+	if err != nil {
+		return nil, fmt.Errorf("cannot build a default dialer: %w", err)
+	}
+
+	if len(conf.Network.Proxies) == 0 {
+		return network.NewNetwork(baseDialer, userAgent, dohIP, httpTimeout) // nolint: wrapcheck
+	}
+
+	proxyURLs := make([]*url.URL, 0, len(conf.Network.Proxies))
+	for _, v := range conf.Network.Proxies {
+		if value := v.Get(nil); value != nil {
+			proxyURLs = append(proxyURLs, value)
+		}
+	}
+
+	if len(proxyURLs) == 1 {
+		socksDialer, err := network.NewSocks5Dialer(baseDialer, proxyURLs[0])
+		if err != nil {
+			return nil, fmt.Errorf("cannot build socks5 dialer: %w", err)
+		}
+
+		return network.NewNetwork(socksDialer, userAgent, dohIP, httpTimeout) // nolint: wrapcheck
+	}
+
+	socksDialer, err := network.NewLoadBalancedSocks5Dialer(baseDialer, proxyURLs)
+	if err != nil {
+		return nil, fmt.Errorf("cannot build socks5 dialer: %w", err)
+	}
+
+	return network.NewNetwork(socksDialer, userAgent, dohIP, httpTimeout) // nolint: wrapcheck
+}

internal/config/config.go

@@ -6,27 +6,26 @@ import (
 	"fmt"
 
 	"github.com/9seconds/mtg/v2/mtglib"
-	"github.com/pelletier/go-toml"
 )
 
 type Config struct {
-	Debug                bool          `json:"debug"`
+	Debug                TypeBool        `json:"debug"`
-	Secret               mtglib.Secret `json:"secret"`
+	Secret               mtglib.Secret   `json:"secret"`
-	BindTo               TypeHostPort  `json:"bindTo"`
+	BindTo               TypeHostPort    `json:"bindTo"`
-	TCPBuffer            TypeBytes     `json:"tcpBuffer"`
+	TCPBuffer            TypeBytes       `json:"tcpBuffer"`
-	PreferIP             TypePreferIP  `json:"preferIp"`
+	PreferIP             TypePreferIP    `json:"preferIp"`
-	DomainFrontingPort   TypePort      `json:"domainFrontingPort"`
+	DomainFrontingPort   TypePort        `json:"domainFrontingPort"`
-	TolerateTimeSkewness TypeDuration  `json:"tolerateTimeSkewness"`
+	TolerateTimeSkewness TypeDuration    `json:"tolerateTimeSkewness"`
-	Concurrency          uint          `json:"concurrency"`
+	Concurrency          TypeConcurrency `json:"concurrency"`
 	Defense              struct {
 		AntiReplay struct {
-			Enabled   bool          `json:"enabled"`
+			Enabled   TypeBool      `json:"enabled"`
 			MaxSize   TypeBytes     `json:"maxSize"`
 			ErrorRate TypeErrorRate `json:"errorRate"`
 		} `json:"antiReplay"`
 		Blocklist struct {
-			Enabled             bool               `json:"enabled"`
+			Enabled             TypeBool           `json:"enabled"`
-			DownloadConcurrency uint               `json:"downloadConcurrency"`
+			DownloadConcurrency TypeConcurrency    `json:"downloadConcurrency"`
 			URLs                []TypeBlocklistURI `json:"urls"`
 			UpdateEach          TypeDuration       `json:"updateEach"`
 		} `json:"blocklist"`
@@ -37,18 +36,18 @@ type Config struct {
 			HTTP TypeDuration `json:"http"`
 			Idle TypeDuration `json:"idle"`
 		} `json:"timeout"`
-		DOHIP   TypeIP    `json:"dohIp"`
+		DOHIP   TypeIP         `json:"dohIp"`
-		Proxies []TypeURL `json:"proxies"`
+		Proxies []TypeProxyURL `json:"proxies"`
 	} `json:"network"`
 	Stats struct {
 		StatsD struct {
-			Enabled      bool                `json:"enabled"`
+			Enabled      TypeBool            `json:"enabled"`
 			Address      TypeHostPort        `json:"address"`
 			MetricPrefix TypeMetricPrefix    `json:"metricPrefix"`
 			TagFormat    TypeStatsdTagFormat `json:"tagFormat"`
 		} `json:"statsd"`
 		Prometheus struct {
-			Enabled      bool             `json:"enabled"`
+			Enabled      TypeBool         `json:"enabled"`
 			BindTo       TypeHostPort     `json:"bindTo"`
 			HTTPPath     TypeHTTPPath     `json:"httpPath"`
 			MetricPrefix TypeMetricPrefix `json:"metricPrefix"`
@@ -61,7 +60,7 @@ func (c *Config) Validate() error {
 		return fmt.Errorf("invalid secret %s", c.Secret.String())
 	}
 
-	if len(c.BindTo.HostValue(nil)) == 0 || c.BindTo.PortValue(0) == 0 {
+    if c.BindTo.Get("") == "" {
 		return fmt.Errorf("incorrect bind-to parameter %s", c.BindTo.String())
 	}
 
@@ -80,78 +79,3 @@ func (c *Config) String() string {
 
 	return buf.String()
 }
-
-type configRaw struct {
-	Debug                bool   `toml:"debug" json:"debug,omitempty"`
-	Secret               string `toml:"secret" json:"secret"`
-	BindTo               string `toml:"bind-to" json:"bindTo"`
-	TCPBuffer            string `toml:"tcp-buffer" json:"tcpBuffer,omitempty"`
-	PreferIP             string `toml:"prefer-ip" json:"preferIp,omitempty"`
-	DomainFrontingPort   uint   `toml:"domain-fronting-port" json:"domainFrontingPort,omitempty"`
-	TolerateTimeSkewness string `toml:"tolerate-time-skewness" json:"tolerateTimeSkewness,omitempty"`
-	Concurrency          uint   `toml:"concurrency" json:"concurrency,omitempty"`
-	Defense              struct {
-		AntiReplay struct {
-			Enabled   bool    `toml:"enabled" json:"enabled,omitempty"`
-			MaxSize   string  `toml:"max-size" json:"maxSize,omitempty"`
-			ErrorRate float64 `toml:"error-rate" json:"errorRate,omitempty"`
-		} `toml:"anti-replay" json:"antiReplay,omitempty"`
-		Blocklist struct {
-			Enabled             bool     `toml:"enabled" json:"enabled,omitempty"`
-			DownloadConcurrency uint     `toml:"download-concurrency" json:"downloadConcurrency,omitempty"`
-			URLs                []string `toml:"urls" json:"urls,omitempty"`
-			UpdateEach          string   `toml:"update-each" json:"updateEach,omitempty"`
-		} `toml:"blocklist" json:"blocklist,omitempty"`
-	} `toml:"defense" json:"defense,omitempty"`
-	Network struct {
-		Timeout struct {
-			TCP  string `toml:"tcp" json:"tcp,omitempty"`
-			HTTP string `toml:"http" json:"http,omitempty"`
-			Idle string `toml:"idle" json:"idle,omitempty"`
-		} `toml:"timeout" json:"timeout,omitempty"`
-		DOHIP   string   `toml:"doh-ip" json:"dohIp,omitempty"`
-		Proxies []string `toml:"proxies" json:"proxies,omitempty"`
-	} `toml:"network" json:"network,omitempty"`
-	Stats struct {
-		StatsD struct {
-			Enabled      bool   `toml:"enabled" json:"enabled,omitempty"`
-			Address      string `toml:"address" json:"address,omitempty"`
-			MetricPrefix string `toml:"metric-prefix" json:"metricPrefix,omitempty"`
-			TagFormat    string `toml:"tag-format" json:"tagFormat,omitempty"`
-		} `toml:"statsd" json:"statsd,omitempty"`
-		Prometheus struct {
-			Enabled      bool   `toml:"enabled" json:"enabled,omitempty"`
-			BindTo       string `toml:"bind-to" json:"bindTo,omitempty"`
-			HTTPPath     string `toml:"http-path" json:"httpPath,omitempty"`
-			MetricPrefix string `toml:"metric-prefix" json:"metricPrefix,omitempty"`
-		} `toml:"prometheus" json:"prometheus,omitempty"`
-	} `toml:"stats" json:"stats,omitempty"`
-}
-
-func Parse(rawData []byte) (*Config, error) {
-	rawConf := &configRaw{}
-	jsonBuf := &bytes.Buffer{}
-	conf := &Config{}
-
-	jsonEncoder := json.NewEncoder(jsonBuf)
-	jsonEncoder.SetEscapeHTML(false)
-	jsonEncoder.SetIndent("", "")
-
-	if err := toml.Unmarshal(rawData, rawConf); err != nil {
-		return nil, fmt.Errorf("cannot parse toml config: %w", err)
-	}
-
-	if err := jsonEncoder.Encode(rawConf); err != nil {
-		panic(err)
-	}
-
-	if err := json.NewDecoder(jsonBuf).Decode(conf); err != nil {
-		return nil, fmt.Errorf("cannot parse a config: %w", err)
-	}
-
-	if err := conf.Validate(); err != nil {
-		return nil, fmt.Errorf("cannot validate config: %w", err)
-	}
-
-	return conf, nil
-}

internal/config/config_test.go

@@ -10,7 +10,7 @@ import (
 )
 
 type ConfigTestSuite struct {
-	suite.Suite
+    suite.Suite
 }
 
 func (suite *ConfigTestSuite) ReadConfig(filename string) []byte {

internal/config/parse.go

@@ -1,4 +1,4 @@
-package config2
+package config
 
 import (
 	"bytes"

internal/config/type_blocklist_uri.go

@@ -8,61 +8,70 @@ import (
 )
 
 type TypeBlocklistURI struct {
-	value string
+	Value string
 }
 
-func (c *TypeBlocklistURI) UnmarshalText(data []byte) error {
+func (t *TypeBlocklistURI) Set(value string) error {
-	if len(data) == 0 {
+	if stat, err := os.Stat(value); err == nil || os.IsExist(err) {
-		return nil
+        switch {
-	}
+        case stat.IsDir():
+            return fmt.Errorf("value is correct filepath but directory")
+        case stat.Mode().Perm() & 0o400 == 0:
+            return fmt.Errorf("value is correct filepath but not readable")
+        }
 
-	text := string(data)
+		value, err = filepath.Abs(value)
-	if filepath.IsAbs(text) {
+		if err != nil {
-		if _, err := os.Stat(text); os.IsNotExist(err) {
+			return fmt.Errorf(
-			return fmt.Errorf("filepath %s does not exist", text)
+				"value is correct filepath but cannot resolve absolute (%s): %w",
+				value, err)
 		}
 
-		c.value = text
+		t.Value = value
 
 		return nil
 	}
 
-	parsedURL, err := url.Parse(text)
+	parsedURL, err := url.Parse(value)
 	if err != nil {
-		return fmt.Errorf("incorrect url: %w", err)
+		return fmt.Errorf("incorrect url (%s): %w", value, err)
 	}
 
 	switch parsedURL.Scheme {
-	case "http", "https": // nolint: goconst
+	case "http", "https":
 	default:
-		return fmt.Errorf("unknown schema %s", parsedURL.Scheme)
+		return fmt.Errorf("unknown schema %s (%s)", parsedURL.Scheme, value)
 	}
 
 	if parsedURL.Host == "" {
-		return fmt.Errorf("incorrect url %s", text)
+		return fmt.Errorf("incorrect url %s", value)
 	}
 
-	c.value = parsedURL.String()
+	t.Value = parsedURL.String()
 
 	return nil
 }
 
-func (c TypeBlocklistURI) MarshalText() ([]byte, error) {
+func (t TypeBlocklistURI) Get(defaultValue string) string {
-	return []byte(c.value), nil
+	if t.Value == "" {
-}
-
-func (c TypeBlocklistURI) String() string {
-	return c.value
-}
-
-func (c TypeBlocklistURI) IsRemote() bool {
-	return !filepath.IsAbs(c.value)
-}
-
-func (c TypeBlocklistURI) Value(defaultValue string) string {
-	if c.value == "" {
 		return defaultValue
 	}
 
-	return c.value
+	return t.Value
+}
+
+func (t TypeBlocklistURI) IsRemote() bool {
+	return !filepath.IsAbs(t.Value)
+}
+
+func (t *TypeBlocklistURI) UnmarshalText(data []byte) error {
+	return t.Set(string(data))
+}
+
+func (t TypeBlocklistURI) MarshalText() ([]byte, error) {
+	return []byte(t.String()), nil
+}
+
+func (t TypeBlocklistURI) String() string {
+	return t.Value
 }

internal/config/type_blocklist_uri_test.go

@@ -1,12 +1,10 @@
 package config_test
 
 import (
-	"crypto/rand"
-	"encoding/base64"
 	"encoding/json"
 	"os"
 	"path/filepath"
-	"strconv"
+	"strings"
 	"testing"
 
 	"github.com/9seconds/mtg/v2/internal/config"
@@ -20,42 +18,28 @@ type typeBlocklistURITestStruct struct {
 
 type TypeBlocklistURITestSuite struct {
 	suite.Suite
+
+	directory    string
+	absDirectory string
 }
 
-func (suite *TypeBlocklistURITestSuite) TestUnmarshalNil() {
+func (suite *TypeBlocklistURITestSuite) SetupSuite() {
-	typ := &config.TypeBlocklistURI{}
+	dir, _ := os.Getwd()
-	suite.NoError(typ.UnmarshalText(nil))
+	absDir, _ := filepath.Abs(dir)
-	suite.Empty(typ.String())
-}
 
-func (suite *TypeBlocklistURITestSuite) TestUnknownSchema() {
+	suite.directory = dir
-	typ := &config.TypeBlocklistURI{}
+	suite.absDirectory = absDir
-	suite.Error(typ.UnmarshalText([]byte("gopher://lalala")))
-}
-
-func (suite *TypeBlocklistURITestSuite) TestEmptyHost() {
-	typ := &config.TypeBlocklistURI{}
-	suite.Error(typ.UnmarshalText([]byte("https:///path")))
-}
-
-func (suite *TypeBlocklistURITestSuite) TestIncorrectURL() {
-	typ := &config.TypeBlocklistURI{}
-	suite.Error(typ.UnmarshalText([]byte("h:/--")))
 }
 
 func (suite *TypeBlocklistURITestSuite) TestUnmarshalFail() {
-	rnd := make([]byte, 48)
-
-	rand.Read(rnd) // nolint: errcheck
-
-	unknownPath := base64.StdEncoding.EncodeToString(rnd)
-
 	testData := []string{
-		"1",
+		"gopher://lalala",
-		unknownPath,
+		"https:///paths",
-		"/" + unknownPath,
+		"h:/=",
-		"http:/",
+		filepath.Join(suite.directory, "___"),
-		"gopher://lalalal",
+		filepath.Join(suite.absDirectory, "___"),
+		suite.directory,
+		suite.absDirectory,
 	}
 
 	for _, v := range testData {
@@ -71,13 +55,12 @@ func (suite *TypeBlocklistURITestSuite) TestUnmarshalFail() {
 }
 
 func (suite *TypeBlocklistURITestSuite) TestUnmarshalOk() {
-	dir, _ := os.Getwd()
-	dir, _ = filepath.Abs(dir)
-
 	testData := []string{
 		"http://lalala",
-		filepath.Join(dir, "config.go"),
 		"https://lalala",
+		"https://lalala/path",
+		filepath.Join(suite.directory, "config.go"),
+		filepath.Join(suite.absDirectory, "config.go"),
 	}
 
 	for _, v := range testData {
@@ -92,77 +75,9 @@ func (suite *TypeBlocklistURITestSuite) TestUnmarshalOk() {
 			testStruct := &typeBlocklistURITestStruct{}
 
 			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.EqualValues(t, value, testStruct.Value.Value(""))
+			assert.EqualValues(t, value, testStruct.Value.Get(""))
-		})
-	}
-}
 
-func (suite *TypeBlocklistURITestSuite) TestMarshalOk() {
+			if strings.HasPrefix(value, "http") {
-	dir, _ := os.Getwd()
-	dir, _ = filepath.Abs(dir)
-
-	testData := []string{
-		"http://lalalal",
-		filepath.Join(dir, "config.go"),
-	}
-
-	for _, v := range testData {
-		name := v
-
-		data, err := json.Marshal(map[string]string{
-			"value": name,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(name, func(t *testing.T) {
-			testStruct := &typeBlocklistURITestStruct{}
-
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t, name, testStruct.Value.String())
-
-			marshalled, err := testStruct.Value.MarshalText()
-			assert.NoError(t, err)
-			assert.Equal(t, name, string(marshalled))
-		})
-	}
-}
-
-func (suite *TypeBlocklistURITestSuite) TestValue() {
-	testStruct := &typeBlocklistURITestStruct{}
-
-	suite.Equal("http://lalala", testStruct.Value.Value("http://lalala"))
-
-	data, err := json.Marshal(map[string]string{
-		"value": "http://blablabla",
-	})
-	suite.NoError(err)
-	suite.NoError(json.Unmarshal(data, testStruct))
-
-	suite.Equal("http://blablabla", testStruct.Value.Value(""))
-}
-
-func (suite *TypeBlocklistURITestSuite) TestIsRemote() {
-	dir, _ := os.Getwd()
-	dir, _ = filepath.Abs(dir)
-
-	testData := map[bool]string{
-		true:  "http://lalalal",
-		false: filepath.Join(dir, "config.go"),
-	}
-
-	for k, v := range testData {
-		ok := k
-
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(strconv.FormatBool(ok), func(t *testing.T) {
-			testStruct := &typeBlocklistURITestStruct{}
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-
-			if ok {
 				assert.True(t, testStruct.Value.IsRemote())
 			} else {
 				assert.False(t, testStruct.Value.IsRemote())
@@ -171,6 +86,27 @@ func (suite *TypeBlocklistURITestSuite) TestIsRemote() {
 	}
 }
 
+func (suite *TypeBlocklistURITestSuite) TestMarshalOk() {
+	testStruct := &typeBlocklistURITestStruct{
+		Value: config.TypeBlocklistURI{
+			Value: "http://some.url/with/path",
+		},
+	}
+
+	data, err := json.Marshal(testStruct)
+	suite.NoError(err)
+	suite.JSONEq(`{"value": "http://some.url/with/path"}`, string(data))
+}
+
+func (suite *TypeBlocklistURITestSuite) TestGet() {
+	value := config.TypeBlocklistURI{}
+	suite.Equal("/path", value.Get("/path"))
+
+    suite.NoError(value.Set("http://lalala.ru"))
+    suite.Equal("http://lalala.ru", value.Get("/path"))
+    suite.Equal("http://lalala.ru", value.Get(""))
+}
+
 func TestTypeBlocklistURI(t *testing.T) {
 	t.Parallel()
 	suite.Run(t, &TypeBlocklistURITestSuite{})

internal/config/type_bool.go

@@ -1,4 +1,4 @@
-package config2
+package config
 
 import (
 	"fmt"

internal/config/type_bool_test.go

@@ -1,4 +1,4 @@
-package config2_test
+package config_test
 
 import (
 	"encoding/json"
@@ -6,13 +6,13 @@ import (
 	"strconv"
 	"testing"
 
-	"github.com/9seconds/mtg/v2/internal/config2"
+	"github.com/9seconds/mtg/v2/internal/config"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/suite"
 )
 
 type typeBoolTestStruct struct {
-	Value config2.TypeBool `json:"value"`
+	Value config.TypeBool `json:"value"`
 }
 
 type TypeBoolTestSuite struct {
@@ -85,7 +85,7 @@ func (suite *TypeBoolTestSuite) TestMarshalOk() {
 
 		suite.T().Run(name, func(t *testing.T) {
 			testStruct := typeBoolTestStruct{
-				Value: config2.TypeBool{
+				Value: config.TypeBool{
 					Value: v,
 				},
 			}
@@ -98,7 +98,7 @@ func (suite *TypeBoolTestSuite) TestMarshalOk() {
 }
 
 func (suite *TypeBoolTestSuite) TestGet() {
-	value := config2.TypeBool{}
+	value := config.TypeBool{}
 	suite.False(value.Get(false))
 	suite.True(value.Get(true))
 

internal/config/type_bytes.go

@@ -7,48 +7,49 @@ import (
 	"github.com/alecthomas/units"
 )
 
+var typeBytesStringCleaner = strings.NewReplacer(" ", "", "\t", "", "IB", "iB")
+
 type TypeBytes struct {
-	value units.Base2Bytes
+	Value units.Base2Bytes
 }
 
-func (c *TypeBytes) UnmarshalText(data []byte) error {
+func (t *TypeBytes) Set(value string) error {
-	if len(data) == 0 {
+    normalizedValue := typeBytesStringCleaner.Replace(strings.ToUpper(value))
-		return nil
-	}
 
-	normalizedData := strings.ToUpper(string(data))
+	parsedValue, err := units.ParseBase2Bytes(normalizedValue)
-	normalizedData = strings.ReplaceAll(normalizedData, "IB", "iB")
-
-	value, err := units.ParseBase2Bytes(normalizedData)
 	if err != nil {
-		return fmt.Errorf("incorrect bytes value: %w", err)
+		return fmt.Errorf("incorrect bytes value (%v): %w", value, err)
 	}
 
-	if value < 0 {
+	if parsedValue < 0 {
-		return fmt.Errorf("%d should be positive number", value)
+		return fmt.Errorf("bytes should be positive (%s)", value)
 	}
 
-	c.value = value
+	t.Value = parsedValue
 
 	return nil
 }
 
-func (c TypeBytes) MarshalText() ([]byte, error) {
+func (t TypeBytes) Get(defaultValue uint) uint {
-	return []byte(c.String()), nil
+	if t.Value == 0 {
-}
-
-func (c TypeBytes) String() string {
-	if c.value == 0 {
-		return ""
-	}
-
-	return strings.ToLower(c.value.String())
-}
-
-func (c TypeBytes) Value(defaultValue uint) uint {
-	if c.value == 0 {
 		return defaultValue
 	}
 
-	return uint(c.value)
+	return uint(t.Value)
+}
+
+func (t *TypeBytes) UnmarshalText(data []byte) error {
+	return t.Set(string(data))
+}
+
+func (t TypeBytes) MarshalText() ([]byte, error) {
+	return []byte(t.String()), nil
+}
+
+func (t TypeBytes) String() string {
+	if t.Value == 0 {
+		return ""
+	}
+
+	return strings.ToLower(t.Value.String())
 }

internal/config/type_bytes_test.go

@@ -17,19 +17,12 @@ type TypeBytesTestSuite struct {
 	suite.Suite
 }
 
-func (suite *TypeBytesTestSuite) TestUnmarshalNil() {
-	typ := &config.TypeBytes{}
-	suite.NoError(typ.UnmarshalText(nil))
-	suite.Empty(typ.String())
-}
-
 func (suite *TypeBytesTestSuite) TestUnmarshalFail() {
 	testData := []string{
 		"1m",
 		"1",
 		"-1kb",
 		"-1kib",
-		"-1QB",
 	}
 
 	for _, v := range testData {
@@ -65,53 +58,26 @@ func (suite *TypeBytesTestSuite) TestUnmarshalOk() {
 			testStruct := &typeBytesTestStruct{}
 
 			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.EqualValues(t, value, testStruct.Value.Value(0))
+			assert.EqualValues(t, value, testStruct.Value.Get(0))
 		})
 	}
 }
 
 func (suite *TypeBytesTestSuite) TestMarshalOk() {
-	testData := []string{
+    value := typeBytesTestStruct{}
-		"1b",
+    suite.NoError(value.Value.Set("1kib"))
-		"1kib",
-		"2mib",
-	}
 
-	for _, v := range testData {
+    data, err := json.Marshal(value)
-		name := v
+    suite.NoError(err)
-
+    suite.JSONEq(`{"value": "1kib"}`, string(data))
-		data, err := json.Marshal(map[string]string{
-			"value": name,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(name, func(t *testing.T) {
-			testStruct := &typeBytesTestStruct{}
-
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t, name, testStruct.Value.String())
-
-			marshalled, err := testStruct.Value.MarshalText()
-			assert.NoError(t, err)
-			assert.Equal(t, name, string(marshalled))
-		})
-	}
 }
 
-func (suite *TypeBytesTestSuite) TestValue() {
+func (suite *TypeBytesTestSuite) TestGet() {
-	testStruct := &typeBytesTestStruct{}
+    value := config.TypeBytes{}
+    suite.EqualValues(1000, value.Get(1000))
 
-	suite.EqualValues(0, testStruct.Value.Value(0))
+    suite.NoError(value.Set("1mib"))
-	suite.EqualValues(1, testStruct.Value.Value(1))
+    suite.EqualValues(1048576, value.Get(1000))
-
-	data, err := json.Marshal(map[string]string{
-		"value": "1kb",
-	})
-	suite.NoError(err)
-	suite.NoError(json.Unmarshal(data, testStruct))
-
-	suite.EqualValues(1024, testStruct.Value.Value(0))
-	suite.EqualValues(1024, testStruct.Value.Value(1))
 }
 
 func TestTypeBytes(t *testing.T) {

internal/config/type_concurrency.go

@@ -1,4 +1,4 @@
-package config2
+package config
 
 import (
 	"fmt"

internal/config/type_concurrency_test.go

@@ -1,16 +1,16 @@
-package config2_test
+package config_test
 
 import (
 	"encoding/json"
 	"testing"
 
-	"github.com/9seconds/mtg/v2/internal/config2"
+	"github.com/9seconds/mtg/v2/internal/config"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/suite"
 )
 
 type typeConcurrencyTestStruct struct {
-	Value config2.TypeConcurrency `json:"value"`
+	Value config.TypeConcurrency `json:"value"`
 }
 
 type TypeConcurrencyTestSuite struct {
@@ -49,7 +49,7 @@ func (suite *TypeConcurrencyTestSuite) TestUnmarshalOk() {
 
 func (suite *TypeConcurrencyTestSuite) TestMarshalOk() {
 	testStruct := &typeConcurrencyTestStruct{
-		Value: config2.TypeConcurrency{
+		Value: config.TypeConcurrency{
 			Value: 2,
 		},
 	}
@@ -60,7 +60,7 @@ func (suite *TypeConcurrencyTestSuite) TestMarshalOk() {
 }
 
 func (suite *TypeConcurrencyTestSuite) TestGet() {
-	value := config2.TypeConcurrency{}
+	value := config.TypeConcurrency{}
 	suite.EqualValues(1, value.Get(1))
 
 	value.Value = 3

internal/config/type_duration.go

@@ -6,41 +6,48 @@ import (
 	"time"
 )
 
+var typeDurationStringCleaner = strings.NewReplacer(" ", "", "\t", "")
+
 type TypeDuration struct {
-	value time.Duration
+	Value time.Duration
 }
 
-func (c *TypeDuration) UnmarshalText(data []byte) error {
+func (t *TypeDuration) Set(value string) error {
-	if len(data) == 0 {
+	parsedValue, err := time.ParseDuration(
-		return nil
+		typeDurationStringCleaner.Replace(strings.ToLower(value)))
-	}
-
-	dur, err := time.ParseDuration(strings.ToLower(string(data)))
 	if err != nil {
-		return fmt.Errorf("incorrect duration: %w", err)
+		return fmt.Errorf("incorrect duration (%s): %w", value, err)
 	}
 
-	if dur < 0 {
+	if parsedValue < 0 {
-		return fmt.Errorf("%s should be positive duration", dur)
+		return fmt.Errorf("duration has to be a positive: %s", value)
 	}
 
-	c.value = dur
+	t.Value = parsedValue
 
 	return nil
 }
 
-func (c TypeDuration) MarshalText() ([]byte, error) {
+func (t TypeDuration) Get(defaultValue time.Duration) time.Duration {
-	return []byte(c.value.String()), nil
+	if t.Value == 0 {
-}
-
-func (c TypeDuration) String() string {
-	return c.value.String()
-}
-
-func (c TypeDuration) Value(defaultValue time.Duration) time.Duration {
-	if c.value == 0 {
 		return defaultValue
 	}
 
-	return c.value
+	return t.Value
+}
+
+func (t *TypeDuration) UnmarshalText(data []byte) error {
+	return t.Set(string(data))
+}
+
+func (t TypeDuration) MarshalText() ([]byte, error) {
+	return []byte(t.String()), nil
+}
+
+func (t TypeDuration) String() string {
+	if t.Value == 0 {
+		return ""
+	}
+
+	return t.Value.String()
 }

internal/config/type_duration_test.go

@@ -18,18 +18,12 @@ type TypeDurationTestSuite struct {
 	suite.Suite
 }
 
-func (suite *TypeDurationTestSuite) TestUnmarshalNil() {
-	typ := &config.TypeDuration{}
-	suite.NoError(typ.UnmarshalText(nil))
-	suite.EqualValues(0, typ.Value(0))
-}
-
 func (suite *TypeDurationTestSuite) TestUnmarshalFail() {
 	testData := []string{
-		"1t",
-		"1",
 		"-1s",
-		"-1h",
+		"1 seconds ago",
+		"1s ago",
+		"",
 	}
 
 	for _, v := range testData {
@@ -47,8 +41,11 @@ func (suite *TypeDurationTestSuite) TestUnmarshalFail() {
 func (suite *TypeDurationTestSuite) TestUnmarshalOk() {
 	testData := map[string]time.Duration{
 		"1s":   time.Second,
-		"1m":   time.Minute,
+		"0":    0 * time.Second,
-		"2h1s": 2*time.Hour + time.Second,
+		"0s":   0 * time.Second,
+		"1\tM": time.Minute,
+		"1H":   time.Hour,
+		"1 h":  time.Hour,
 	}
 
 	for k, v := range testData {
@@ -63,53 +60,48 @@ func (suite *TypeDurationTestSuite) TestUnmarshalOk() {
 			testStruct := &typeDurationTestStruct{}
 
 			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t, value, testStruct.Value.Value(0))
+			assert.Equal(t, value, testStruct.Value.Value)
 		})
 	}
 }
 
 func (suite *TypeDurationTestSuite) TestMarshalOk() {
-	testData := []string{
+	testData := map[string]string{
-		"1s",
+		"1s":  "1s",
-		"1m0s",
+		"0":   "",
-		"2h0m1s",
+		"0s":  "",
+		"0ms": "",
+		"1 H": "1h0m0s",
 	}
 
-	for _, v := range testData {
+	for k, v := range testData {
-		name := v
+		value := k
+		expected := v
 
-		data, err := json.Marshal(map[string]string{
+		suite.T().Run(value, func(t *testing.T) {
-			"value": name,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(name, func(t *testing.T) {
 			testStruct := &typeDurationTestStruct{}
 
-			assert.NoError(t, json.Unmarshal(data, testStruct))
+			assert.NoError(t, testStruct.Value.Set(value))
-			assert.Equal(t, name, testStruct.Value.String())
 
-			marshalled, err := testStruct.Value.MarshalText()
+			data, err := json.Marshal(testStruct)
 			assert.NoError(t, err)
-			assert.Equal(t, name, string(marshalled))
+
+			expectedJson, err := json.Marshal(map[string]string{
+				"value": expected,
+			})
+			assert.NoError(t, err)
+
+			assert.JSONEq(t, string(expectedJson), string(data))
 		})
 	}
 }
 
-func (suite *TypeDurationTestSuite) TestValue() {
+func (suite *TypeDurationTestSuite) TestGet() {
-	testStruct := &typeDurationTestStruct{}
+	value := config.TypeDuration{}
+	suite.Equal(time.Second, value.Get(time.Second))
 
-	suite.EqualValues(0, testStruct.Value.Value(0))
+	value.Value = 3 * time.Second
-	suite.Equal(time.Second, testStruct.Value.Value(time.Second))
+	suite.Equal(3*time.Second, value.Get(time.Hour))
-
-	data, err := json.Marshal(map[string]string{
-		"value": "1s",
-	})
-	suite.NoError(err)
-	suite.NoError(json.Unmarshal(data, testStruct))
-
-	suite.Equal(time.Second, testStruct.Value.Value(0))
-	suite.Equal(time.Second, testStruct.Value.Value(time.Minute))
 }
 
 func TestTypeDuration(t *testing.T) {

internal/config/type_error_rate.go

@@ -8,36 +8,40 @@ import (
 const typeErrorRateIgnoreLess = 1e-8
 
 type TypeErrorRate struct {
-	value float64
+	Value float64
 }
 
-func (c *TypeErrorRate) UnmarshalJSON(data []byte) error {
+func (t *TypeErrorRate) Set(value string) error {
-	value, err := strconv.ParseFloat(string(data), 64)
+	parsedValue, err := strconv.ParseFloat(value, 64)
 	if err != nil {
-		return fmt.Errorf("incorrect float value: %w", err)
+		return fmt.Errorf("Value is not a float (%s): %w", value, err)
 	}
 
-	if value <= 0 || value >= 100 {
+	if parsedValue <= 0.0 || parsedValue >= 100.0 {
-		return fmt.Errorf("%f should be 0 < x < 100", value)
+		return fmt.Errorf("Value should be 0 < x < 100 (%s)", value)
 	}
 
-	c.value = value
+	t.Value = parsedValue
 
 	return nil
 }
 
-func (c *TypeErrorRate) MarshalText() ([]byte, error) {
+func (t TypeErrorRate) Get(defaultValue float64) float64 {
-	return []byte(c.String()), nil
+	if t.Value < typeErrorRateIgnoreLess {
-}
-
-func (c TypeErrorRate) String() string {
-	return strconv.FormatFloat(c.value, 'f', -1, 64)
-}
-
-func (c TypeErrorRate) Value(defaultValue float64) float64 {
-	if c.value < typeErrorRateIgnoreLess {
 		return defaultValue
 	}
 
-	return c.value
+	return t.Value
+}
+
+func (t *TypeErrorRate) UnmarshalText(data []byte) error {
+	return t.Set(string(data))
+}
+
+func (t TypeErrorRate) MarshalText() ([]byte, error) {
+	return []byte(t.String()), nil
+}
+
+func (t TypeErrorRate) String() string {
+	return strconv.FormatFloat(t.Value, 'f', -1, 64)
 }

internal/config/type_error_rate_test.go

@@ -2,7 +2,6 @@ package config_test
 
 import (
 	"encoding/json"
-	"strconv"
 	"testing"
 
 	"github.com/9seconds/mtg/v2/internal/config"
@@ -19,104 +18,74 @@ type TypeErrorRateTestSuite struct {
 }
 
 func (suite *TypeErrorRateTestSuite) TestUnmarshalFail() {
-	testData := []float64{
+	testData := []string{
-		1000,
+		"",
-		-100,
+		"1s",
-		-0.0001,
+		"1,",
+		"1,2",
+		".",
+		"3.4.5",
+		"3.5.",
+		".3.5",
+		"some word",
+		"1e2",
+		"-1.0",
 	}
 
 	for _, v := range testData {
-		data, err := json.Marshal(map[string]float64{
+		data, err := json.Marshal(map[string]string{
 			"value": v,
 		})
 		suite.NoError(err)
 
-		suite.T().Run(strconv.FormatFloat(v, 'f', -1, 64), func(t *testing.T) {
+		suite.T().Run(v, func(t *testing.T) {
 			assert.Error(t, json.Unmarshal(data, &typeErrorRateTestStruct{}))
 		})
 	}
-
-	data, err := json.Marshal(map[string]string{
-		"value": "hello",
-	})
-	suite.NoError(err)
-	suite.Error(json.Unmarshal(data, &typeErrorRateTestStruct{}))
 }
 
 func (suite *TypeErrorRateTestSuite) TestUnmarshalOk() {
-	testData := []float64{
+	testData := map[string]float64{
-		1,
+		"1":   1.0,
-		55.5,
+		"1.0": 1.0,
-		0.0001,
+		"0.5": 0.5,
-		1e-6,
+		".5":  0.5,
 	}
 
-	for _, v := range testData {
+	for k, v := range testData {
 		value := v
 
-		data, err := json.Marshal(map[string]float64{
+		data, err := json.Marshal(map[string]string{
-			"value": v,
+			"value": k,
 		})
 		suite.NoError(err)
 
-		suite.T().Run(strconv.FormatFloat(v, 'f', -1, 64), func(t *testing.T) {
+		suite.T().Run(k, func(t *testing.T) {
 			testStruct := &typeErrorRateTestStruct{}
-
 			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.InEpsilon(t, value, testStruct.Value.Value(0), 1e-10)
+			assert.InEpsilon(t, value, testStruct.Value.Value, 1e-10)
 		})
 	}
 }
 
 func (suite *TypeErrorRateTestSuite) TestMarshalOk() {
-	testData := []float64{
+	testStruct := typeErrorRateTestStruct{
-		1,
+		Value: config.TypeErrorRate{
-		55.5,
+			Value: 1.01,
-		0.0001,
+		},
-		1e-6,
 	}
 
-	for _, v := range testData {
+	encodedJson, err := json.Marshal(testStruct)
-		value := v
+	suite.NoError(err)
-
+	suite.JSONEq(`{"value": "1.01"}`, string(encodedJson))
-		data, err := json.Marshal(map[string]float64{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(strconv.FormatFloat(v, 'f', -1, 64), func(t *testing.T) {
-			testStruct := &typeErrorRateTestStruct{}
-
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-
-			parsed, err := strconv.ParseFloat(testStruct.Value.String(), 64)
-			assert.NoError(t, err)
-			assert.InEpsilon(t, value, parsed, 1e-10)
-
-			marshalled, err := testStruct.Value.MarshalText()
-			assert.NoError(t, err)
-
-			parsed, err = strconv.ParseFloat(string(marshalled), 64)
-			assert.NoError(t, err)
-			assert.InEpsilon(t, value, parsed, 1e-10)
-		})
-	}
 }
 
-func (suite *TypeErrorRateTestSuite) TestValue() {
+func (suite *TypeErrorRateTestSuite) TestGet() {
-	testStruct := &typeErrorRateTestStruct{}
+	value := config.TypeErrorRate{}
+	suite.InEpsilon(1.0, value.Get(1.0), 1e-10)
 
-	suite.InEpsilon(1, testStruct.Value.Value(1), 1e-10)
+	value.Value = 5.0
-	suite.InEpsilon(2, testStruct.Value.Value(2), 1e-10)
+	suite.InEpsilon(5.0, value.Get(1.0), 1e-10)
-
-	data, err := json.Marshal(map[string]float64{
-		"value": 1,
-	})
-	suite.NoError(err)
-	suite.NoError(json.Unmarshal(data, testStruct))
-
-	suite.InEpsilon(1, testStruct.Value.Value(2), 1e-10)
-	suite.InEpsilon(1, testStruct.Value.Value(3), 1e-10)
 }
 
 func TestTypeErrorRate(t *testing.T) {

internal/config/type_hostport.go

@@ -7,61 +7,53 @@ import (
 )
 
 type TypeHostPort struct {
-	host TypeIP
+	Value string
-	port TypePort
 }
 
-func (c *TypeHostPort) UnmarshalText(data []byte) error {
+func (t *TypeHostPort) Set(value string) error {
-	if len(data) == 0 {
+	host, port, err := net.SplitHostPort(value)
-		return nil
-	}
-
-	text := string(data)
-
-	host, port, err := net.SplitHostPort(text)
 	if err != nil {
-		return fmt.Errorf("incorrect host:port syntax: %w", err)
+		return fmt.Errorf("incorrect host:port value (%v): %w", value, err)
 	}
 
-	if port == "" {
+	portValue, err := strconv.ParseUint(port, 10, 16)
-		return fmt.Errorf("port in %s host:port pair cannot be empty", text)
+	if err != nil {
+		return fmt.Errorf("incorrect port number (%v): %w", value, err)
 	}
 
-	if err := c.port.UnmarshalJSON([]byte(port)); err != nil {
+	if portValue == 0 {
-		return fmt.Errorf("incorrect port in host:port: %w", err)
+		return fmt.Errorf("incorrect port number (%s)", value)
 	}
 
-	if err := c.host.UnmarshalText([]byte(host)); err != nil {
+	if host == "" {
-		return fmt.Errorf("incorrect host: %w", err)
+		return fmt.Errorf("empty host: %s", value)
 	}
 
+	if net.ParseIP(host) == nil {
+		return fmt.Errorf("host is not an IP address: %s", value)
+	}
+
+	t.Value = net.JoinHostPort(host, port)
+
 	return nil
 }
 
-func (c TypeHostPort) MarshalText() ([]byte, error) {
+func (t TypeHostPort) Get(defaultValue string) string {
-	return []byte(c.String()), nil
+	if t.Value == "" {
-}
+		return defaultValue
-
-func (c TypeHostPort) String() string {
-	return c.Value(net.IP{}, 0)
-}
-
-func (c TypeHostPort) HostValue(defaultValue net.IP) net.IP {
-	return c.host.Value(defaultValue)
-}
-
-func (c TypeHostPort) PortValue(defaultValue uint) uint {
-	return c.port.Value(defaultValue)
-}
-
-func (c TypeHostPort) Value(defaultHostValue net.IP, defaultPortValue uint) string {
-	host := c.HostValue(defaultHostValue)
-	port := c.PortValue(defaultPortValue)
-
-	hostStr := ""
-	if len(host) > 0 {
-		hostStr = host.String()
 	}
 
-	return net.JoinHostPort(hostStr, strconv.Itoa(int(port)))
+	return t.Value
+}
+
+func (t *TypeHostPort) UnmarshalText(data []byte) error {
+	return t.Set(string(data))
+}
+
+func (t TypeHostPort) MarshalText() ([]byte, error) {
+	return []byte(t.String()), nil
+}
+
+func (t TypeHostPort) String() string {
+	return t.Value
 }

internal/config/type_hostport_test.go

@@ -2,7 +2,6 @@ package config_test
 
 import (
 	"encoding/json"
-	"net"
 	"testing"
 
 	"github.com/9seconds/mtg/v2/internal/config"
@@ -20,11 +19,13 @@ type TypeHostPortTestSuite struct {
 
 func (suite *TypeHostPortTestSuite) TestUnmarshalFail() {
 	testData := []string{
-		"10.0.0.10:aaa",
-		"10.0.0.10:",
 		":",
-		"xxx",
+		":800",
-		"xxx:80",
+		"127.0.0.1:8000000",
+		"12...:80",
+		"",
+		"localhost",
+		"google.com:",
 	}
 
 	for _, v := range testData {
@@ -41,9 +42,8 @@ func (suite *TypeHostPortTestSuite) TestUnmarshalFail() {
 
 func (suite *TypeHostPortTestSuite) TestUnmarshalOk() {
 	testData := []string{
-		"10.0.0.10:80",
+		"127.0.0.1:80",
-		"0.0.0.0:80",
+		"10.0.0.10:6553",
-		":8000",
 	}
 
 	for _, v := range testData {
@@ -56,57 +56,30 @@ func (suite *TypeHostPortTestSuite) TestUnmarshalOk() {
 
 		suite.T().Run(v, func(t *testing.T) {
 			testStruct := &typeHostPortTestStruct{}
-
 			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.EqualValues(t, value, testStruct.Value.Value(nil, 0))
+			assert.Equal(t, value, testStruct.Value.Value)
 		})
 	}
 }
 
 func (suite *TypeHostPortTestSuite) TestMarshalOk() {
-	testData := []string{
+	testStruct := typeHostPortTestStruct{
-		"10.0.0.10:80",
+		Value: config.TypeHostPort{
-		"0.0.0.0:80",
+			Value: "127.0.0.1:8000",
-		":8000",
+		},
 	}
 
-	for _, v := range testData {
+	data, err := json.Marshal(testStruct)
-		value := v
+	suite.NoError(err)
-
+	suite.JSONEq(`{"value": "127.0.0.1:8000"}`, string(data))
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			testStruct := &typeHostPortTestStruct{}
-
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t, value, testStruct.Value.String())
-
-			marshalled, err := testStruct.Value.MarshalText()
-			assert.NoError(t, err)
-			assert.Equal(t, value, string(marshalled))
-		})
-	}
 }
 
-func (suite *TypeHostPortTestSuite) TestValue() {
+func (suite *TypeHostPortTestSuite) TestGet() {
-	testStruct := &typeHostPortTestStruct{}
+	value := config.TypeHostPort{}
+	suite.Equal("127.0.0.1:9000", value.Get("127.0.0.1:9000"))
 
-	suite.EqualValues("127.0.0.1:80",
+	value.Value = "127.0.0.1:80"
-		testStruct.Value.Value(net.ParseIP("127.0.0.1"), 80))
+	suite.Equal("127.0.0.1:80", value.Get("127.0.0.1:9000"))
-	suite.EqualValues("127.1.0.1:80",
-		testStruct.Value.Value(net.ParseIP("127.1.0.1"), 80))
-
-	data, err := json.Marshal(map[string]string{
-		"value": "127.0.0.1:80",
-	})
-	suite.NoError(err)
-	suite.NoError(json.Unmarshal(data, testStruct))
-
-	suite.EqualValues("127.0.0.1:80", testStruct.Value.Value(nil, 0))
-	suite.EqualValues("127.0.0.1:80", testStruct.Value.Value(net.ParseIP("10.0.0.10"), 3000))
 }
 
 func TestTypeHostPort(t *testing.T) {

internal/config/type_http_path.go

@@ -3,33 +3,31 @@ package config
 import "strings"
 
 type TypeHTTPPath struct {
-	value string
+	Value string
 }
 
-func (c *TypeHTTPPath) UnmarshalText(data []byte) error {
+func (t *TypeHTTPPath) Set(value string) error {
-	if len(data) > 0 {
+	t.Value = "/" + strings.Trim(value, "/")
-		c.value = "/" + strings.Trim(string(data), "/")
-	}
 
 	return nil
 }
 
-func (c TypeHTTPPath) MarshalText() ([]byte, error) {
+func (t TypeHTTPPath) Get(defaultValue string) string {
-	return []byte(c.String()), nil
+	if t.Value == "" {
-}
-
-func (c TypeHTTPPath) String() string {
-	if c.value == "" {
-		return "/"
-	}
-
-	return c.value
-}
-
-func (c TypeHTTPPath) Value(defaultValue string) string {
-	if c.value == "" {
 		return defaultValue
 	}
 
-	return c.value
+	return t.Value
+}
+
+func (t *TypeHTTPPath) UnmarshalText(data []byte) error {
+	return t.Set(string(data))
+}
+
+func (t TypeHTTPPath) MarshalText() ([]byte, error) {
+	return []byte(t.String()), nil
+}
+
+func (t TypeHTTPPath) String() string {
+	return t.Value
 }

internal/config/type_http_path_test.go

@@ -17,72 +17,48 @@ type TypeHTTPPathTestSuite struct {
 	suite.Suite
 }
 
-func (suite *TypeHTTPPathTestSuite) TestUnmarshal() {
+func (suite *TypeHTTPPathTestSuite) TestUnmarshalOk() {
-	testData := []string{
+	testData := map[string]string{
-		"/hello",
+		"":      "/",
-		"hello",
+		"/":     "/",
-		"hello/",
+		"/path": "/path",
-		"/hello/",
+		"path":  "/path",
 	}
 
-	for _, v := range testData {
+	for k, v := range testData {
+		value := v
+
 		data, err := json.Marshal(map[string]string{
-			"value": v,
+			"value": k,
 		})
 		suite.NoError(err)
 
-		suite.T().Run(v, func(t *testing.T) {
+		suite.T().Run(k, func(t *testing.T) {
 			testStruct := &typeHTTPPathTestStruct{}
-
 			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t, "/hello", testStruct.Value.Value(""))
+			assert.Equal(t, value, testStruct.Value.Get(""))
 		})
 	}
 }
 
 func (suite *TypeHTTPPathTestSuite) TestMarshalOk() {
-	testData := map[string]string{
+	value := typeHTTPPathTestStruct{
-		"":        "/",
+		Value: config.TypeHTTPPath{
-		"/hello":  "/hello",
+			Value: "/path",
-		"/hello/": "/hello",
+		},
-		"hello/":  "/hello",
-		"hello":   "/hello",
 	}
 
-	for k, v := range testData {
+	data, err := json.Marshal(value)
-		toPass := k
+	suite.NoError(err)
-		compareWith := v
+	suite.JSONEq(`{"value": "/path"}`, string(data))
-
-		data, err := json.Marshal(map[string]string{
-			"value": toPass,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(toPass, func(t *testing.T) {
-			testStruct := &typeHTTPPathTestStruct{}
-
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t, compareWith, testStruct.Value.String())
-
-			marshalled, err := testStruct.Value.MarshalText()
-			assert.NoError(t, err)
-			assert.Equal(t, compareWith, string(marshalled))
-		})
-	}
 }
 
-func (suite *TypeHTTPPathTestSuite) TestValue() {
+func (suite *TypeHTTPPathTestSuite) TestGet() {
-	testStruct := &typeHTTPPathTestStruct{}
+	value := config.TypeHTTPPath{}
+	suite.Equal("/hello", value.Get("/hello"))
 
-	suite.Equal("/hello", testStruct.Value.Value("/hello"))
+	suite.NoError(value.Set("/lalala"))
-
+	suite.Equal("/lalala", value.Get("/hello"))
-	data, err := json.Marshal(map[string]string{
-		"value": "/map",
-	})
-	suite.NoError(err)
-	suite.NoError(json.Unmarshal(data, testStruct))
-
-	suite.Equal("/map", testStruct.Value.Value("/hello"))
 }
 
 func TestTypeHTTPPath(t *testing.T) {

internal/config/type_ip.go

@@ -6,40 +6,40 @@ import (
 )
 
 type TypeIP struct {
-	value net.IP
+	Value net.IP
 }
 
-func (c *TypeIP) UnmarshalText(data []byte) error {
+func (t *TypeIP) Set(value string) error {
-	if len(data) == 0 {
+	ip := net.ParseIP(value)
-		return nil
-	}
-
-	ip := net.ParseIP(string(data))
 	if ip == nil {
-		return fmt.Errorf("incorrect ip address: %s", string(data))
+		return fmt.Errorf("incorret ip %s", value)
 	}
 
-	c.value = ip
+    t.Value = ip
 
 	return nil
 }
 
-func (c *TypeIP) MarshalText() ([]byte, error) {
+func (t *TypeIP) Get(defaultValue net.IP) net.IP {
-	return []byte(c.String()), nil
+	if len(t.Value) == 0 {
-}
-
-func (c TypeIP) String() string {
-	if len(c.value) > 0 {
-		return c.value.String()
-	}
-
-	return ""
-}
-
-func (c TypeIP) Value(defaultValue net.IP) net.IP {
-	if c.value == nil {
 		return defaultValue
 	}
 
-	return c.value
+	return t.Value
+}
+
+func (t *TypeIP) UnmarshalText(data []byte) error {
+	return t.Set(string(data))
+}
+
+func (t TypeIP) MarshalText() ([]byte, error) {
+	return []byte(t.String()), nil
+}
+
+func (t TypeIP) String() string {
+	if len(t.Value) == 0 {
+		return ""
+	}
+
+	return t.Value.String()
 }

internal/config/type_ip_test.go

@@ -20,10 +20,11 @@ type TypeIPTestSuite struct {
 
 func (suite *TypeIPTestSuite) TestUnmarshalFail() {
 	testData := []string{
-		"0.0.10",
+		"",
-		"10.0.0.10:",
+		"....",
-		"xxx:80",
+		"0...",
-		"2001:0db8:85a3:0000:0000:8a2e:4",
+		"300.200.200.800",
+		"[]",
 	}
 
 	for _, v := range testData {
@@ -39,74 +40,62 @@ func (suite *TypeIPTestSuite) TestUnmarshalFail() {
 }
 
 func (suite *TypeIPTestSuite) TestUnmarshalOk() {
-	testData := []string{
+	testData := map[string]string{
-		"0.0.0.0",
+		"2001:0db8:85a3:0000:0000:8a2e:0370:7334": "2001:db8:85a3::8a2e:370:7334",
-		"10.0.0.10",
+		"127.0.0.1": "127.0.0.1",
-		"2001:0db8:85a3:0000:0000:8a2e:0370:7334",
 	}
 
-	for _, v := range testData {
+	for k, v := range testData {
-		value := v
+		expected := v
 
 		data, err := json.Marshal(map[string]string{
-			"value": v,
+			"value": k,
 		})
 		suite.NoError(err)
 
-		suite.T().Run(v, func(t *testing.T) {
+		suite.T().Run(k, func(t *testing.T) {
 			testStruct := &typeIPTestStruct{}
-
 			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t,
+			assert.Equal(t, expected, testStruct.Value.Get(nil).String())
-				net.ParseIP(value).String(),
-				testStruct.Value.Value(nil).String())
 		})
 	}
 }
 
 func (suite *TypeIPTestSuite) TestMarshalOk() {
 	testData := []string{
-		"0.0.0.0",
+		"2001:db8:85a3::8a2e:370:7334",
-		"10.0.0.10",
+		"127.0.0.1",
-		"2001:0db8:85a3:0000:0000:8a2e:0370:7334",
 	}
 
 	for _, v := range testData {
-		value := net.ParseIP(v).String()
+		value := v
-
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
 
 		suite.T().Run(v, func(t *testing.T) {
-			testStruct := &typeIPTestStruct{}
+			testStruct := &typeIPTestStruct{
+				Value: config.TypeIP{
+					Value: net.ParseIP(value),
+				},
+			}
 
-			assert.NoError(t, json.Unmarshal(data, testStruct))
+			encodedJSON, err := json.Marshal(testStruct)
-			assert.Equal(t, value, testStruct.Value.String())
-
-			marshalled, err := testStruct.Value.MarshalText()
 			assert.NoError(t, err)
-			assert.Equal(t, value, string(marshalled))
+
+			expectedJSON, err := json.Marshal(map[string]string{
+				"value": value,
+			})
+			assert.NoError(t, err)
+
+			assert.JSONEq(t, string(expectedJSON), string(encodedJSON))
 		})
 	}
 }
 
-func (suite *TypeIPTestSuite) TestValue() {
+func (suite *TypeIPTestSuite) TestGet() {
-	testStruct := &typeIPTestStruct{}
+	value := config.TypeIP{}
-	suite.Empty(testStruct.Value.String())
+	suite.Equal("127.0.0.1", value.Get(net.ParseIP("127.0.0.1")).String())
 
-	suite.Nil(testStruct.Value.Value(nil))
+	suite.NoError(value.Set("127.0.0.2"))
-	suite.Equal("127.1.0.1", testStruct.Value.Value(net.ParseIP("127.1.0.1")).String())
+	suite.Equal("127.0.0.2", value.Get(net.ParseIP("127.0.0.1")).String())
-
-	data, err := json.Marshal(map[string]string{
-		"value": "127.0.0.1",
-	})
-	suite.NoError(err)
-	suite.NoError(json.Unmarshal(data, testStruct))
-
-	suite.Equal("127.0.0.1", testStruct.Value.Value(nil).String())
-	suite.Equal("127.0.0.1", testStruct.Value.Value(net.ParseIP("10.0.0.10")).String())
 }
 
 func TestTypeIP(t *testing.T) {

internal/config/type_metric_prefix.go

@@ -6,36 +6,35 @@ import (
 )
 
 type TypeMetricPrefix struct {
-	value string
+	Value string
 }
 
-func (c *TypeMetricPrefix) UnmarshalText(data []byte) error {
+func (t *TypeMetricPrefix) Set(value string) error {
-	if len(data) == 0 {
+	if ok, err := regexp.MatchString("^[a-z0-9]+$", value); !ok || err != nil {
-		return nil
+        return fmt.Errorf("incorrect metric prefix %s: %w", value, err)
 	}
 
-	prefix := string(data)
+    t.Value = value
-	if ok, err := regexp.MatchString("^[a-z0-9]+$", prefix); !ok || err != nil {
-		return fmt.Errorf("incorrect metric prefix: %s", prefix)
-	}
-
-	c.value = prefix
 
 	return nil
 }
 
-func (c TypeMetricPrefix) MarshalText() ([]byte, error) {
+func (t TypeMetricPrefix) Get(defaultValue string) string {
-	return []byte(c.String()), nil
+	if t.Value == "" {
-}
-
-func (c TypeMetricPrefix) String() string {
-	return c.value
-}
-
-func (c TypeMetricPrefix) Value(defaultValue string) string {
-	if c.value == "" {
 		return defaultValue
 	}
 
-	return c.value
+	return t.Value
+}
+
+func (t *TypeMetricPrefix) UnmarshalText(data []byte) error {
+	return t.Set(string(data))
+}
+
+func (t TypeMetricPrefix) MarshalText() ([]byte, error) {
+	return []byte(t.String()), nil
+}
+
+func (t TypeMetricPrefix) String() string {
+	return t.Value
 }

internal/config/type_metric_prefix_test.go

@@ -17,18 +17,13 @@ type TypeMetricPrefixTestSuite struct {
 	suite.Suite
 }
 
-func (suite *TypeMetricPrefixTestSuite) TestUnmarshalNil() {
-	typ := &config.TypeMetricPrefix{}
-	suite.NoError(typ.UnmarshalText(nil))
-	suite.Empty(typ.String())
-}
-
 func (suite *TypeMetricPrefixTestSuite) TestUnmarshalFail() {
 	testData := []string{
-		"aaa.aaa",
+		"",
-		"aaa-bbb",
+		"-",
-		"aaa:ccc",
+		"hello/world",
-		"metric prefix",
+		"lala*",
+		"++sdf++",
 	}
 
 	for _, v := range testData {
@@ -44,69 +39,29 @@ func (suite *TypeMetricPrefixTestSuite) TestUnmarshalFail() {
 }
 
 func (suite *TypeMetricPrefixTestSuite) TestUnmarshalOk() {
-	testData := []string{
+	testStruct := &typeMetricPrefixTestStruct{}
-		"mtg",
+	suite.NoError(json.Unmarshal([]byte(`{"value": "mtg"}`), testStruct))
-		"mtg111",
+	suite.Equal("mtg", testStruct.Value.Get("lalala"))
-	}
-
-	for _, v := range testData {
-		value := v
-
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			testStruct := &typeMetricPrefixTestStruct{}
-
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t, value, testStruct.Value.Value(""))
-		})
-	}
 }
 
 func (suite *TypeMetricPrefixTestSuite) TestMarshalOk() {
-	testData := []string{
+	testStruct := &typeMetricPrefixTestStruct{
-		"mtg",
+		Value: config.TypeMetricPrefix{
-		"mtg111",
+			Value: "mtg",
+		},
 	}
 
-	for _, v := range testData {
+	data, err := json.Marshal(testStruct)
-		value := v
+	suite.NoError(err)
-
+	suite.JSONEq(`{"value": "mtg"}`, string(data))
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			testStruct := &typeMetricPrefixTestStruct{}
-
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t, value, testStruct.Value.String())
-
-			marshalled, err := testStruct.Value.MarshalText()
-			assert.NoError(t, err)
-			assert.Equal(t, value, string(marshalled))
-		})
-	}
 }
 
-func (suite *TypeMetricPrefixTestSuite) TestValue() {
+func (suite *TypeMetricPrefixTestSuite) TestGet() {
-	testStruct := &typeMetricPrefixTestStruct{}
+	value := config.TypeMetricPrefix{}
+	suite.Equal("lalala", value.Get("lalala"))
 
-	suite.Equal("mtg", testStruct.Value.Value("mtg"))
+	value.Value = "mtg"
-	suite.Equal("vvv", testStruct.Value.Value("vvv"))
+	suite.Equal("mtg", value.Get("lalala"))
-
-	data, err := json.Marshal(map[string]string{
-		"value": "aaa",
-	})
-	suite.NoError(err)
-	suite.NoError(json.Unmarshal(data, testStruct))
-
-	suite.Equal("aaa", testStruct.Value.Value("mtg"))
-	suite.Equal("aaa", testStruct.Value.Value("vvv"))
 }
 
 func TestTypeMetricPrefix(t *testing.T) {

internal/config/type_port.go

@@ -6,40 +6,40 @@ import (
 )
 
 type TypePort struct {
-	value uint
+	Value uint16
 }
 
-func (c *TypePort) UnmarshalJSON(data []byte) error {
+func (t *TypePort) Set(value string) error {
-	if len(data) == 0 {
+	portValue, err := strconv.ParseUint(value, 10, 16)
-		return nil
-	}
-
-	intValue, err := strconv.ParseUint(string(data), 10, 64)
 	if err != nil {
-		return fmt.Errorf("port number is not a number: %w", err)
+		return fmt.Errorf("incorrect port number (%v): %w", value, err)
 	}
 
-	if intValue == 0 || intValue >= 65536 {
+	if portValue == 0 {
-		return fmt.Errorf("port number should be 0 < portNo < 65536: %d", intValue)
+		return fmt.Errorf("incorrect port number (%s)", value)
 	}
 
-	c.value = uint(intValue)
+    t.Value = uint16(portValue)
 
 	return nil
 }
 
-func (c *TypePort) MarshalJSON() ([]byte, error) {
+func (t TypePort) Get(defaultValue uint16) uint16 {
-	return []byte(c.String()), nil
+	if t.Value == 0 {
-}
-
-func (c TypePort) String() string {
-	return strconv.Itoa(int(c.value))
-}
-
-func (c TypePort) Value(defaultValue uint) uint {
-	if c.value == 0 {
 		return defaultValue
 	}
 
-	return c.value
+	return t.Value
+}
+
+func (t *TypePort) UnmarshalJSON(data []byte) error {
+	return t.Set(string(data))
+}
+
+func (t TypePort) MarshalJSON() ([]byte, error) {
+	return []byte(t.String()), nil
+}
+
+func (t TypePort) String() string {
+	return strconv.Itoa(int(t.Value))
 }

internal/config/type_port_test.go

@@ -2,7 +2,6 @@ package config_test
 
 import (
 	"encoding/json"
-	"strconv"
 	"testing"
 
 	"github.com/9seconds/mtg/v2/internal/config"
@@ -18,97 +17,52 @@ type TypePortTestSuite struct {
 	suite.Suite
 }
 
-func (suite *TypePortTestSuite) TestUnmarshalNil() {
-	typ := &config.TypePort{}
-	suite.NoError(typ.UnmarshalJSON(nil))
-	suite.Equal("0", typ.String())
-}
-
 func (suite *TypePortTestSuite) TestUnmarshalFail() {
-	testData := []int{
+	testData := []string{
-		-1,
+		"",
-		1_000_000,
+		"port",
+		"0",
+		"-1",
+		"1.5",
+		"70000",
 	}
 
 	for _, v := range testData {
-		data, err := json.Marshal(map[string]int{
+		data, err := json.Marshal(map[string]string{
 			"value": v,
 		})
 		suite.NoError(err)
 
-		suite.T().Run(strconv.Itoa(v), func(t *testing.T) {
+		suite.T().Run(v, func(t *testing.T) {
 			assert.Error(t, json.Unmarshal(data, &typePortTestStruct{}))
 		})
 	}
 }
 
 func (suite *TypePortTestSuite) TestUnmarshalOk() {
-	testData := []int{
+	testStruct := &typePortTestStruct{}
-		1,
+	suite.NoError(json.Unmarshal([]byte(`{"value": 5}`), testStruct))
-		1_000,
+	suite.EqualValues(5, testStruct.Value.Value)
-		65535,
-	}
-
-	for _, v := range testData {
-		value := v
-
-		data, err := json.Marshal(map[string]int{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(strconv.Itoa(v), func(t *testing.T) {
-			testStruct := &typePortTestStruct{}
-
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.EqualValues(t, value, testStruct.Value.Value(0))
-		})
-	}
 }
 
 func (suite *TypePortTestSuite) TestMarshalOk() {
-	testData := map[string]int{
+	testStruct := &typePortTestStruct{
-		"1":     1,
+		Value: config.TypePort{
-		"1000":  1000,
+			Value: 10,
-		"65535": 65535,
+		},
 	}
 
-	for k, v := range testData {
+	data, err := json.Marshal(testStruct)
-		name := k
+	suite.NoError(err)
-		value := v
+	suite.JSONEq(`{"value":10}`, string(data))
-
-		data, err := json.Marshal(map[string]int{
-			"value": value,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(name, func(t *testing.T) {
-			testStruct := &typePortTestStruct{}
-
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t, name, testStruct.Value.String())
-
-			marshalled, err := testStruct.Value.MarshalJSON()
-			assert.NoError(t, err)
-			assert.Equal(t, name, string(marshalled))
-		})
-	}
 }
 
-func (suite *TypePortTestSuite) TestValue() {
+func (suite *TypePortTestSuite) TestGet() {
-	testStruct := &typePortTestStruct{}
+	value := config.TypePort{}
+	suite.EqualValues(10, value.Get(10))
 
-	suite.EqualValues(0, testStruct.Value.Value(0))
+	value.Value = 100
-	suite.EqualValues(1, testStruct.Value.Value(1))
+	suite.EqualValues(100, value.Get(10))
-
-	data, err := json.Marshal(map[string]int{
-		"value": 5,
-	})
-	suite.NoError(err)
-	suite.NoError(json.Unmarshal(data, testStruct))
-
-	suite.EqualValues(5, testStruct.Value.Value(0))
-	suite.EqualValues(5, testStruct.Value.Value(1))
 }
 
 func TestTypePort(t *testing.T) {

internal/config/type_prefer_ip.go

@@ -24,38 +24,39 @@ const (
 )
 
 type TypePreferIP struct {
-	value string
+	Value string
 }
 
-func (c *TypePreferIP) UnmarshalText(data []byte) error {
+func (t *TypePreferIP) Set(value string) error {
-	if len(data) == 0 {
+	value = strings.ToLower(value)
+
+	switch value {
+	case TypePreferIPPreferIPv4, TypePreferIPPreferIPv6,
+		TypePreferOnlyIPv4, TypePreferOnlyIPv6:
+        t.Value = value
+
 		return nil
-	}
-
-	text := strings.ToLower(string(data))
-
-	switch text {
-	case TypePreferIPPreferIPv4, TypePreferIPPreferIPv6, TypePreferOnlyIPv4, TypePreferOnlyIPv6:
-		c.value = text
 	default:
-		return fmt.Errorf("incorrect prefer-ip value: %s", string(data))
+		return fmt.Errorf("unsupported ip preference: %s", value)
 	}
-
-	return nil
 }
 
-func (c TypePreferIP) MarshalText() ([]byte, error) {
+func (t *TypePreferIP) Get(defaultValue string) string {
-	return []byte(c.value), nil
+	if t.Value == "" {
-}
-
-func (c *TypePreferIP) String() string {
-	return c.value
-}
-
-func (c *TypePreferIP) Value(defaultValue string) string {
-	if c.value == "" {
 		return defaultValue
 	}
 
-	return c.value
+	return t.Value
+}
+
+func (t *TypePreferIP) UnmarshalText(data []byte) error {
+	return t.Set(string(data))
+}
+
+func (t TypePreferIP) MarshalText() ([]byte, error) {
+	return []byte(t.String()), nil
+}
+
+func (t TypePreferIP) String() string {
+	return t.Value
 }

internal/config/type_prefer_ip_test.go

@@ -18,18 +18,12 @@ type TypePreferIPTestSuite struct {
 	suite.Suite
 }
 
-func (suite *TypePreferIPTestSuite) TestUnmarshalNil() {
-	typ := &config.TypePreferIP{}
-	suite.NoError(typ.UnmarshalText(nil))
-	suite.Empty(typ.String())
-}
-
 func (suite *TypePreferIPTestSuite) TestUnmarshalFail() {
 	testData := []string{
-		"p",
+		"",
-		"ipv4",
+		"prefer",
-		"onlyipv4",
+		"preferipv4",
-		"ipv6prefer",
+		config.TypePreferIPPreferIPv4 + "_",
 	}
 
 	for _, v := range testData {
@@ -50,14 +44,10 @@ func (suite *TypePreferIPTestSuite) TestUnmarshalOk() {
 		config.TypePreferIPPreferIPv6,
 		config.TypePreferOnlyIPv4,
 		config.TypePreferOnlyIPv6,
-		strings.ToUpper(config.TypePreferIPPreferIPv4),
+		strings.ToTitle(config.TypePreferOnlyIPv4),
-		strings.ToUpper(config.TypePreferIPPreferIPv6),
+		strings.ToTitle(config.TypePreferOnlyIPv6),
-		strings.ToUpper(config.TypePreferOnlyIPv4),
+		strings.ToTitle(config.TypePreferIPPreferIPv4),
-		strings.ToUpper(config.TypePreferOnlyIPv6),
+		strings.ToTitle(config.TypePreferIPPreferIPv6),
-		strings.ToLower(config.TypePreferIPPreferIPv4),
-		strings.ToLower(config.TypePreferIPPreferIPv6),
-		strings.ToLower(config.TypePreferOnlyIPv4),
-		strings.ToLower(config.TypePreferOnlyIPv6),
 	}
 
 	for _, v := range testData {
@@ -70,11 +60,8 @@ func (suite *TypePreferIPTestSuite) TestUnmarshalOk() {
 
 		suite.T().Run(v, func(t *testing.T) {
 			testStruct := &typePreferIPTestStruct{}
-
 			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.EqualValues(t,
+			assert.Equal(t, strings.ToLower(value), testStruct.Value.Value)
-				strings.ToLower(value),
-				testStruct.Value.Value(config.TypePreferIPPreferIPv4))
 		})
 	}
 }
@@ -85,55 +72,39 @@ func (suite *TypePreferIPTestSuite) TestMarshalOk() {
 		config.TypePreferIPPreferIPv6,
 		config.TypePreferOnlyIPv4,
 		config.TypePreferOnlyIPv6,
-		strings.ToUpper(config.TypePreferIPPreferIPv4),
-		strings.ToUpper(config.TypePreferIPPreferIPv6),
-		strings.ToUpper(config.TypePreferOnlyIPv4),
-		strings.ToUpper(config.TypePreferOnlyIPv6),
-		strings.ToLower(config.TypePreferIPPreferIPv4),
-		strings.ToLower(config.TypePreferIPPreferIPv6),
-		strings.ToLower(config.TypePreferOnlyIPv4),
-		strings.ToLower(config.TypePreferOnlyIPv6),
 	}
 
 	for _, v := range testData {
 		value := v
 
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
 		suite.T().Run(v, func(t *testing.T) {
-			testStruct := &typePreferIPTestStruct{}
+			testStruct := &typePreferIPTestStruct{
+				Value: config.TypePreferIP{
+					Value: value,
+				},
+			}
 
-			assert.NoError(t, json.Unmarshal(data, testStruct))
+			encodedJSON, err := json.Marshal(testStruct)
-			assert.Equal(t, strings.ToLower(value), testStruct.Value.String())
-
-			marshalled, err := testStruct.Value.MarshalText()
 			assert.NoError(t, err)
-			assert.Equal(t, strings.ToLower(value), string(marshalled))
+
+			expectedJSON, err := json.Marshal(map[string]string{
+				"value": value,
+			})
+			assert.NoError(t, err)
+
+			assert.JSONEq(t, string(expectedJSON), string(encodedJSON))
 		})
 	}
 }
 
-func (suite *TypePreferIPTestSuite) TestValue() {
+func (suite *TypePreferIPTestSuite) TestGet() {
-	testStruct := &typePreferIPTestStruct{}
+	value := config.TypePreferIP{}
+	suite.Equal(config.TypePreferIPPreferIPv4,
+		value.Get(config.TypePreferIPPreferIPv4))
 
-	suite.EqualValues(config.TypePreferIPPreferIPv4,
+	suite.NoError(value.Set(config.TypePreferIPPreferIPv6))
-		testStruct.Value.Value(config.TypePreferIPPreferIPv4))
+	suite.Equal(config.TypePreferIPPreferIPv6,
-	suite.EqualValues(config.TypePreferIPPreferIPv6,
+		value.Get(config.TypePreferIPPreferIPv4))
-		testStruct.Value.Value(config.TypePreferIPPreferIPv6))
-
-	data, err := json.Marshal(map[string]string{
-		"value": config.TypePreferOnlyIPv4,
-	})
-	suite.NoError(err)
-	suite.NoError(json.Unmarshal(data, testStruct))
-
-	suite.EqualValues(config.TypePreferOnlyIPv4,
-		testStruct.Value.Value(config.TypePreferOnlyIPv6))
-	suite.EqualValues(config.TypePreferOnlyIPv4,
-		testStruct.Value.Value(config.TypePreferIPPreferIPv6))
 }
 
 func TestTypePreferIP(t *testing.T) {

internal/config/type_proxy_url.go

@@ -1,4 +1,4 @@
-package config2
+package config
 
 import (
 	"fmt"

internal/config/type_proxy_url_test.go

@@ -1,17 +1,17 @@
-package config2_test
+package config_test
 
 import (
 	"encoding/json"
 	"net/url"
 	"testing"
 
-	"github.com/9seconds/mtg/v2/internal/config2"
+	"github.com/9seconds/mtg/v2/internal/config"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/suite"
 )
 
 type typeProxyURLTestStruct struct {
-	Value config2.TypeProxyURL `json:"value"`
+	Value config.TypeProxyURL `json:"value"`
 }
 
 type ProxyURLTestSuite struct {
@@ -69,20 +69,21 @@ func (suite *ProxyURLTestSuite) TestUnmarshalOk() {
 func (suite *ProxyURLTestSuite) TestMarshalOk() {
 	parsed, _ := url.Parse("socks5://127.0.0.1:1080?open_threshold=1")
 	testStruct := &typeProxyURLTestStruct{
-		Value: config2.TypeProxyURL{
+		Value: config.TypeProxyURL{
 			Value: parsed,
 		},
 	}
 
 	encodedJSON, err := json.Marshal(testStruct)
 	suite.NoError(err)
-	suite.JSONEq(`{"value": "socks5://127.0.0.1:1080?open_threshold=1"}`, string(encodedJSON))
+	suite.JSONEq(`{"value": "socks5://127.0.0.1:1080?open_threshold=1"}`,
+		string(encodedJSON))
 }
 
 func (suite *ProxyURLTestSuite) TestGet() {
 	emptyURL := &url.URL{}
 
-	value := config2.TypeProxyURL{}
+	value := config.TypeProxyURL{}
 	suite.Equal(emptyURL, value.Get(emptyURL))
 
 	value.Value = &url.URL{}

internal/config/type_statsd_tag_format.go

@@ -20,38 +20,39 @@ const (
 )
 
 type TypeStatsdTagFormat struct {
-	value string
+	Value string
 }
 
-func (c *TypeStatsdTagFormat) UnmarshalText(data []byte) error {
+func (t *TypeStatsdTagFormat) Set(value string) error {
-	if len(data) == 0 {
+	lowercasedValue := strings.ToLower(value)
+
+	switch lowercasedValue {
+	case TypeStatsdTagFormatDatadog, TypeStatsdTagFormatInfluxdb,
+		TypeStatsdTagFormatGraphite:
+        t.Value = lowercasedValue
+
 		return nil
-	}
-
-	text := strings.ToLower(string(data))
-
-	switch text {
-	case TypeStatsdTagFormatInfluxdb, TypeStatsdTagFormatDatadog, TypeStatsdTagFormatGraphite:
-		c.value = text
 	default:
-		return fmt.Errorf("incorrect tag format value: %s", string(data))
+		return fmt.Errorf("unknown tag format %s", value)
 	}
-
-	return nil
 }
 
-func (c TypeStatsdTagFormat) MarshalText() ([]byte, error) {
+func (t TypeStatsdTagFormat) Get(defaultValue string) string {
-	return []byte(c.value), nil
+	if t.Value == "" {
-}
-
-func (c *TypeStatsdTagFormat) String() string {
-	return c.value
-}
-
-func (c *TypeStatsdTagFormat) Value(defaultValue string) string {
-	if c.value == "" {
 		return defaultValue
 	}
 
-	return c.value
+	return t.Value
+}
+
+func (t *TypeStatsdTagFormat) UnmarshalText(data []byte) error {
+	return t.Set(string(data))
+}
+
+func (t *TypeStatsdTagFormat) MarshalText() ([]byte, error) {
+	return []byte(t.String()), nil
+}
+
+func (t *TypeStatsdTagFormat) String() string {
+	return t.Value
 }

internal/config/type_statsd_tag_format_test.go

@@ -14,22 +14,14 @@ type typeStatsdTagFormatTestStruct struct {
 	Value config.TypeStatsdTagFormat `json:"value"`
 }
 
-type TypeStatsdTagFormatTestSuite struct {
+type StatsdTagFormatTestSuite struct {
 	suite.Suite
 }
 
-func (suite *TypeStatsdTagFormatTestSuite) TestUnmarshalNil() {
+func (suite *StatsdTagFormatTestSuite) TestUnmarshalFail() {
-	typ := &config.TypeStatsdTagFormat{}
-	suite.NoError(typ.UnmarshalText(nil))
-	suite.Equal("lalala", typ.Value("lalala"))
-}
-
-func (suite *TypeStatsdTagFormatTestSuite) TestUnmarshalFail() {
 	testData := []string{
-		"p",
+		"",
-		"ipv4",
+		"dogdog",
-		"onlyipv4",
-		"ipv6prefer",
 	}
 
 	for _, v := range testData {
@@ -44,17 +36,14 @@ func (suite *TypeStatsdTagFormatTestSuite) TestUnmarshalFail() {
 	}
 }
 
-func (suite *TypeStatsdTagFormatTestSuite) TestUnmarshalOk() {
+func (suite *StatsdTagFormatTestSuite) TestUnmarshalOk() {
 	testData := []string{
-		config.TypeStatsdTagFormatDatadog,
 		config.TypeStatsdTagFormatInfluxdb,
 		config.TypeStatsdTagFormatGraphite,
-		strings.ToUpper(config.TypeStatsdTagFormatDatadog),
+		config.TypeStatsdTagFormatDatadog,
 		strings.ToUpper(config.TypeStatsdTagFormatInfluxdb),
 		strings.ToUpper(config.TypeStatsdTagFormatGraphite),
-		strings.ToLower(config.TypeStatsdTagFormatDatadog),
+		strings.ToUpper(config.TypeStatsdTagFormatDatadog),
-		strings.ToLower(config.TypeStatsdTagFormatInfluxdb),
-		strings.ToLower(config.TypeStatsdTagFormatGraphite),
 	}
 
 	for _, v := range testData {
@@ -67,70 +56,53 @@ func (suite *TypeStatsdTagFormatTestSuite) TestUnmarshalOk() {
 
 		suite.T().Run(v, func(t *testing.T) {
 			testStruct := &typeStatsdTagFormatTestStruct{}
-
 			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.EqualValues(t,
+			assert.Equal(t, strings.ToLower(value), testStruct.Value.Value)
-				strings.ToLower(value),
-				testStruct.Value.Value(config.TypeStatsdTagFormatDatadog))
 		})
 	}
 }
 
-func (suite *TypeStatsdTagFormatTestSuite) TestMarshalOk() {
+func (suite *StatsdTagFormatTestSuite) TestMarshalOk() {
 	testData := []string{
-		config.TypeStatsdTagFormatDatadog,
 		config.TypeStatsdTagFormatInfluxdb,
 		config.TypeStatsdTagFormatGraphite,
-		strings.ToUpper(config.TypeStatsdTagFormatDatadog),
+		config.TypeStatsdTagFormatDatadog,
-		strings.ToUpper(config.TypeStatsdTagFormatInfluxdb),
-		strings.ToUpper(config.TypeStatsdTagFormatGraphite),
-		strings.ToLower(config.TypeStatsdTagFormatDatadog),
-		strings.ToLower(config.TypeStatsdTagFormatInfluxdb),
-		strings.ToLower(config.TypeStatsdTagFormatGraphite),
 	}
 
 	for _, v := range testData {
 		value := v
 
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
 		suite.T().Run(v, func(t *testing.T) {
-			testStruct := &typeStatsdTagFormatTestStruct{}
+			testStruct := &typeStatsdTagFormatTestStruct{
+				Value: config.TypeStatsdTagFormat{
+					Value: value,
+				},
+			}
 
-			assert.NoError(t, json.Unmarshal(data, testStruct))
+			encodedJSON, err := json.Marshal(testStruct)
-			assert.Equal(t, strings.ToLower(value), testStruct.Value.String())
-
-			marshalled, err := testStruct.Value.MarshalText()
 			assert.NoError(t, err)
-			assert.Equal(t, strings.ToLower(value), string(marshalled))
+
+			expectedJSON, err := json.Marshal(map[string]string{
+				"value": value,
+			})
+			assert.NoError(t, err)
+
+			assert.JSONEq(t, string(expectedJSON), string(encodedJSON))
 		})
 	}
 }
 
-func (suite *TypeStatsdTagFormatTestSuite) TestValue() {
+func (suite *StatsdTagFormatTestSuite) TestGet() {
-	testStruct := &typePreferIPTestStruct{}
+	value := config.TypeStatsdTagFormat{}
+	suite.Equal(config.TypeStatsdTagFormatDatadog,
+		value.Get(config.TypeStatsdTagFormatDatadog))
 
-	suite.EqualValues(config.TypePreferIPPreferIPv4,
+	suite.NoError(value.Set(config.TypeStatsdTagFormatInfluxdb))
-		testStruct.Value.Value(config.TypePreferIPPreferIPv4))
+	suite.Equal(config.TypeStatsdTagFormatInfluxdb,
-	suite.EqualValues(config.TypePreferIPPreferIPv6,
+		value.Get(config.TypeStatsdTagFormatDatadog))
-		testStruct.Value.Value(config.TypePreferIPPreferIPv6))
-
-	data, err := json.Marshal(map[string]string{
-		"value": config.TypePreferOnlyIPv4,
-	})
-	suite.NoError(err)
-	suite.NoError(json.Unmarshal(data, testStruct))
-
-	suite.EqualValues(config.TypePreferOnlyIPv4,
-		testStruct.Value.Value(config.TypePreferOnlyIPv6))
-	suite.EqualValues(config.TypePreferOnlyIPv4,
-		testStruct.Value.Value(config.TypePreferIPPreferIPv6))
 }
 
 func TestTypeStatsdTagFormat(t *testing.T) {
 	t.Parallel()
-	suite.Run(t, &TypeStatsdTagFormatTestSuite{})
+	suite.Run(t, &StatsdTagFormatTestSuite{})
 }

internal/config/type_url.go

@@ -1,71 +0,0 @@
-package config
-
-import (
-	"fmt"
-	"net"
-	"net/url"
-)
-
-type TypeURL struct {
-	value *url.URL
-}
-
-func (c *TypeURL) UnmarshalText(data []byte) error { // nolint: cyclop
-	if len(data) == 0 {
-		return nil
-	}
-
-	value, err := url.Parse(string(data))
-	if err != nil {
-		return fmt.Errorf("incorrect URL: %w", err)
-	}
-
-	switch value.Scheme {
-	case "http", "https", "socks5":
-	case "":
-		return fmt.Errorf("url %s has to have a schema", value)
-	default:
-		return fmt.Errorf("unsupported schema %s", value.Scheme)
-	}
-
-	if value.Host == "" {
-		return fmt.Errorf("url %s has to have a host", value)
-	}
-
-	if _, _, err := net.SplitHostPort(value.Host); err != nil {
-		switch value.Scheme {
-		case "http":
-			value.Host = net.JoinHostPort(value.Host, "80")
-		case "https":
-			value.Host = net.JoinHostPort(value.Host, "443")
-		case "socks5":
-			value.Host = net.JoinHostPort(value.Host, "1080")
-		default:
-			return fmt.Errorf("cannot set a default port for %s", value)
-		}
-	}
-
-	c.value = value
-
-	return nil
-}
-
-func (c *TypeURL) MarshalText() ([]byte, error) {
-	return []byte(c.String()), nil
-}
-
-func (c TypeURL) String() string {
-	if c.value == nil {
-		return ""
-	}
-
-	return c.value.String()
-}
-
-func (c TypeURL) Value(defaultValue *url.URL) *url.URL {
-	if c.value == nil {
-		return defaultValue
-	}
-
-	return c.value
-}

internal/config/type_url_test.go

@@ -1,107 +0,0 @@
-package config_test
-
-import (
-	"encoding/json"
-	"net/url"
-	"testing"
-
-	"github.com/9seconds/mtg/v2/internal/config"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/suite"
-)
-
-type typeURLTestStruct struct {
-	Value config.TypeURL `json:"value"`
-}
-
-type TypeURLTestSuite struct {
-	suite.Suite
-}
-
-func (suite *TypeURLTestSuite) TestUnmarshalNil() {
-	u, _ := url.Parse("https://google.com")
-
-	typ := &config.TypeURL{}
-	suite.NoError(typ.UnmarshalText(nil))
-	suite.Empty(typ.String())
-	suite.Equal("https://google.com", typ.Value(u).String())
-}
-
-func (suite *TypeURLTestSuite) TestUnmarshalFail() {
-	testData := []string{
-		"http:/aaa.com",
-		"ipv4",
-		"111",
-		"://111",
-		"http://aaa.com:xxx",
-		"gopher://aaa.com:888",
-		"gopher://aaa.com",
-	}
-
-	for _, v := range testData {
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			assert.Error(t, json.Unmarshal(data, &typeURLTestStruct{}))
-		})
-	}
-}
-
-func (suite *TypeURLTestSuite) TestUnmarshalOk() {
-	testData := map[string]string{
-		"https://10.0.0.10:80":    "https://10.0.0.10:80",
-		"https://10.0.0.10:443":   "https://10.0.0.10",
-		"http://10.0.0.10:8":      "http://10.0.0.10:8",
-		"http://10.0.0.10:80":     "http://10.0.0.10",
-		"socks5://10.0.0.10:1080": "socks5://10.0.0.10",
-		"socks5://10.0.0.10:888":  "socks5://10.0.0.10:888",
-	}
-
-	for k, v := range testData {
-		expected := k
-		actual := v
-
-		data, err := json.Marshal(map[string]string{
-			"value": actual,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(actual, func(t *testing.T) {
-			testStruct := &typeURLTestStruct{}
-
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t, expected, testStruct.Value.Value(nil).String())
-
-			marshalled, err := testStruct.Value.MarshalText()
-			assert.NoError(t, err)
-			assert.Equal(t, expected, string(marshalled))
-		})
-	}
-}
-
-func (suite *TypeURLTestSuite) TestValue() {
-	testStruct := &typeURLTestStruct{}
-
-	u1, _ := url.Parse("https://10.0.0.10:80")
-	u2, _ := url.Parse("https://10.1.0.10:80")
-
-	suite.Equal("https://10.0.0.10:80", testStruct.Value.Value(u1).String())
-	suite.Equal("https://10.1.0.10:80", testStruct.Value.Value(u2).String())
-
-	data, err := json.Marshal(map[string]string{
-		"value": "http://127.0.0.1:80",
-	})
-	suite.NoError(err)
-	suite.NoError(json.Unmarshal(data, testStruct))
-
-	suite.Equal("http://127.0.0.1:80", testStruct.Value.Value(u1).String())
-	suite.Equal("http://127.0.0.1:80", testStruct.Value.Value(u2).String())
-}
-
-func TestTypeURL(t *testing.T) {
-	t.Parallel()
-	suite.Run(t, &TypeURLTestSuite{})
-}

internal/config2/config.go

@@ -1,81 +0,0 @@
-package config2
-
-import (
-	"bytes"
-	"encoding/json"
-	"fmt"
-
-	"github.com/9seconds/mtg/v2/mtglib"
-)
-
-type Config struct {
-	Debug                TypeBool        `json:"debug"`
-	Secret               mtglib.Secret   `json:"secret"`
-	BindTo               TypeHostPort    `json:"bindTo"`
-	TCPBuffer            TypeBytes       `json:"tcpBuffer"`
-	PreferIP             TypePreferIP    `json:"preferIp"`
-	DomainFrontingPort   TypePort        `json:"domainFrontingPort"`
-	TolerateTimeSkewness TypeDuration    `json:"tolerateTimeSkewness"`
-	Concurrency          TypeConcurrency `json:"concurrency"`
-	Defense              struct {
-		AntiReplay struct {
-			Enabled   TypeBool      `json:"enabled"`
-			MaxSize   TypeBytes     `json:"maxSize"`
-			ErrorRate TypeErrorRate `json:"errorRate"`
-		} `json:"antiReplay"`
-		Blocklist struct {
-			Enabled             TypeBool           `json:"enabled"`
-			DownloadConcurrency TypeConcurrency    `json:"downloadConcurrency"`
-			URLs                []TypeBlocklistURI `json:"urls"`
-			UpdateEach          TypeDuration       `json:"updateEach"`
-		} `json:"blocklist"`
-	} `json:"defense"`
-	Network struct {
-		Timeout struct {
-			TCP  TypeDuration `json:"tcp"`
-			HTTP TypeDuration `json:"http"`
-			Idle TypeDuration `json:"idle"`
-		} `json:"timeout"`
-		DOHIP   TypeIP         `json:"dohIp"`
-		Proxies []TypeProxyURL `json:"proxies"`
-	} `json:"network"`
-	Stats struct {
-		StatsD struct {
-			Enabled      TypeBool            `json:"enabled"`
-			Address      TypeHostPort        `json:"address"`
-			MetricPrefix TypeMetricPrefix    `json:"metricPrefix"`
-			TagFormat    TypeStatsdTagFormat `json:"tagFormat"`
-		} `json:"statsd"`
-		Prometheus struct {
-			Enabled      TypeBool         `json:"enabled"`
-			BindTo       TypeHostPort     `json:"bindTo"`
-			HTTPPath     TypeHTTPPath     `json:"httpPath"`
-			MetricPrefix TypeMetricPrefix `json:"metricPrefix"`
-		} `json:"prometheus"`
-	} `json:"stats"`
-}
-
-func (c *Config) Validate() error {
-	if !c.Secret.Valid() {
-		return fmt.Errorf("invalid secret %s", c.Secret.String())
-	}
-
-    if c.BindTo.Get("") == "" {
-		return fmt.Errorf("incorrect bind-to parameter %s", c.BindTo.String())
-	}
-
-	return nil
-}
-
-func (c *Config) String() string {
-	buf := &bytes.Buffer{}
-	encoder := json.NewEncoder(buf)
-
-	encoder.SetEscapeHTML(false)
-
-	if err := encoder.Encode(c); err != nil {
-		panic(err)
-	}
-
-	return buf.String()
-}

internal/config2/config_test.go

@@ -1,54 +0,0 @@
-package config2_test
-
-import (
-	"os"
-	"path/filepath"
-	"testing"
-
-	"github.com/9seconds/mtg/v2/internal/config2"
-	"github.com/stretchr/testify/suite"
-)
-
-type ConfigTestSuite struct {
-    suite.Suite
-}
-
-func (suite *ConfigTestSuite) ReadConfig(filename string) []byte {
-	data, err := os.ReadFile(filepath.Join("testdata", filename))
-	suite.NoError(err)
-
-	return data
-}
-
-func (suite *ConfigTestSuite) TestParseEmpty() {
-	_, err := config2.Parse([]byte{})
-	suite.Error(err)
-}
-
-func (suite *ConfigTestSuite) TestParseBrokenToml() {
-	_, err := config2.Parse(suite.ReadConfig("broken.toml"))
-	suite.Error(err)
-}
-
-func (suite *ConfigTestSuite) TestParseOnlySecret() {
-	_, err := config2.Parse(suite.ReadConfig("only_secret.toml"))
-	suite.Error(err)
-}
-
-func (suite *ConfigTestSuite) TestParseMinimalConfig() {
-	conf, err := config2.Parse(suite.ReadConfig("minimal.toml"))
-	suite.NoError(err)
-	suite.Equal("7oe1GqLy6TBc38CV3jx7q09nb29nbGUuY29t", conf.Secret.Base64())
-	suite.Equal("0.0.0.0:3128", conf.BindTo.String())
-}
-
-func (suite *ConfigTestSuite) TestString() {
-	conf, err := config2.Parse(suite.ReadConfig("minimal.toml"))
-	suite.NoError(err)
-	suite.NotEmpty(conf.String())
-}
-
-func TestConfig(t *testing.T) {
-	t.Parallel()
-	suite.Run(t, &ConfigTestSuite{})
-}

internal/config2/testdata/broken.toml

@@ -1 +0,0 @@
-s = sdfsdfds

internal/config2/testdata/minimal.toml

@@ -1,2 +0,0 @@
-secret = "7oe1GqLy6TBc38CV3jx7q09nb29nbGUuY29t"
-bind-to = "0.0.0.0:3128"

internal/config2/testdata/only_secret.toml

@@ -1 +0,0 @@
-secret = "7oe1GqLy6TBc38CV3jx7q09nb29nbGUuY29t"

internal/config2/type_blocklist_uri.go

@@ -1,77 +0,0 @@
-package config2
-
-import (
-	"fmt"
-	"net/url"
-	"os"
-	"path/filepath"
-)
-
-type TypeBlocklistURI struct {
-	Value string
-}
-
-func (t *TypeBlocklistURI) Set(value string) error {
-	if stat, err := os.Stat(value); err == nil || os.IsExist(err) {
-        switch {
-        case stat.IsDir():
-            return fmt.Errorf("value is correct filepath but directory")
-        case stat.Mode().Perm() & 0o400 == 0:
-            return fmt.Errorf("value is correct filepath but not readable")
-        }
-
-		value, err = filepath.Abs(value)
-		if err != nil {
-			return fmt.Errorf(
-				"value is correct filepath but cannot resolve absolute (%s): %w",
-				value, err)
-		}
-
-		t.Value = value
-
-		return nil
-	}
-
-	parsedURL, err := url.Parse(value)
-	if err != nil {
-		return fmt.Errorf("incorrect url (%s): %w", value, err)
-	}
-
-	switch parsedURL.Scheme {
-	case "http", "https":
-	default:
-		return fmt.Errorf("unknown schema %s (%s)", parsedURL.Scheme, value)
-	}
-
-	if parsedURL.Host == "" {
-		return fmt.Errorf("incorrect url %s", value)
-	}
-
-	t.Value = parsedURL.String()
-
-	return nil
-}
-
-func (t TypeBlocklistURI) Get(defaultValue string) string {
-	if t.Value == "" {
-		return defaultValue
-	}
-
-	return t.Value
-}
-
-func (t TypeBlocklistURI) IsRemote() bool {
-	return !filepath.IsAbs(t.Value)
-}
-
-func (t *TypeBlocklistURI) UnmarshalText(data []byte) error {
-	return t.Set(string(data))
-}
-
-func (t TypeBlocklistURI) MarshalText() ([]byte, error) {
-	return []byte(t.String()), nil
-}
-
-func (t TypeBlocklistURI) String() string {
-	return t.Value
-}

internal/config2/type_blocklist_uri_test.go

@@ -1,113 +0,0 @@
-package config2_test
-
-import (
-	"encoding/json"
-	"os"
-	"path/filepath"
-	"strings"
-	"testing"
-
-	"github.com/9seconds/mtg/v2/internal/config2"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/suite"
-)
-
-type typeBlocklistURITestStruct struct {
-	Value config2.TypeBlocklistURI `json:"value"`
-}
-
-type TypeBlocklistURITestSuite struct {
-	suite.Suite
-
-	directory    string
-	absDirectory string
-}
-
-func (suite *TypeBlocklistURITestSuite) SetupSuite() {
-	dir, _ := os.Getwd()
-	absDir, _ := filepath.Abs(dir)
-
-	suite.directory = dir
-	suite.absDirectory = absDir
-}
-
-func (suite *TypeBlocklistURITestSuite) TestUnmarshalFail() {
-	testData := []string{
-		"gopher://lalala",
-		"https:///paths",
-		"h:/=",
-		filepath.Join(suite.directory, "___"),
-		filepath.Join(suite.absDirectory, "___"),
-		suite.directory,
-		suite.absDirectory,
-	}
-
-	for _, v := range testData {
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			assert.Error(t, json.Unmarshal(data, &typeBlocklistURITestStruct{}))
-		})
-	}
-}
-
-func (suite *TypeBlocklistURITestSuite) TestUnmarshalOk() {
-	testData := []string{
-		"http://lalala",
-		"https://lalala",
-		"https://lalala/path",
-		filepath.Join(suite.directory, "config.go"),
-		filepath.Join(suite.absDirectory, "config.go"),
-	}
-
-	for _, v := range testData {
-		value := v
-
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			testStruct := &typeBlocklistURITestStruct{}
-
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.EqualValues(t, value, testStruct.Value.Get(""))
-
-			if strings.HasPrefix(value, "http") {
-				assert.True(t, testStruct.Value.IsRemote())
-			} else {
-				assert.False(t, testStruct.Value.IsRemote())
-			}
-		})
-	}
-}
-
-func (suite *TypeBlocklistURITestSuite) TestMarshalOk() {
-	testStruct := &typeBlocklistURITestStruct{
-		Value: config2.TypeBlocklistURI{
-			Value: "http://some.url/with/path",
-		},
-	}
-
-	data, err := json.Marshal(testStruct)
-	suite.NoError(err)
-	suite.JSONEq(`{"value": "http://some.url/with/path"}`, string(data))
-}
-
-func (suite *TypeBlocklistURITestSuite) TestGet() {
-	value := config2.TypeBlocklistURI{}
-	suite.Equal("/path", value.Get("/path"))
-
-    suite.NoError(value.Set("http://lalala.ru"))
-    suite.Equal("http://lalala.ru", value.Get("/path"))
-    suite.Equal("http://lalala.ru", value.Get(""))
-}
-
-func TestTypeBlocklistURI(t *testing.T) {
-	t.Parallel()
-	suite.Run(t, &TypeBlocklistURITestSuite{})
-}

internal/config2/type_bytes.go

@@ -1,55 +0,0 @@
-package config2
-
-import (
-	"fmt"
-	"strings"
-
-	"github.com/alecthomas/units"
-)
-
-var typeBytesStringCleaner = strings.NewReplacer(" ", "", "\t", "", "IB", "iB")
-
-type TypeBytes struct {
-	Value units.Base2Bytes
-}
-
-func (t *TypeBytes) Set(value string) error {
-    normalizedValue := typeBytesStringCleaner.Replace(strings.ToUpper(value))
-
-	parsedValue, err := units.ParseBase2Bytes(normalizedValue)
-	if err != nil {
-		return fmt.Errorf("incorrect bytes value (%v): %w", value, err)
-	}
-
-	if parsedValue < 0 {
-		return fmt.Errorf("bytes should be positive (%s)", value)
-	}
-
-	t.Value = parsedValue
-
-	return nil
-}
-
-func (t TypeBytes) Get(defaultValue uint) uint {
-	if t.Value == 0 {
-		return defaultValue
-	}
-
-	return uint(t.Value)
-}
-
-func (t *TypeBytes) UnmarshalText(data []byte) error {
-	return t.Set(string(data))
-}
-
-func (t TypeBytes) MarshalText() ([]byte, error) {
-	return []byte(t.String()), nil
-}
-
-func (t TypeBytes) String() string {
-	if t.Value == 0 {
-		return ""
-	}
-
-	return strings.ToLower(t.Value.String())
-}

internal/config2/type_bytes_test.go

@@ -1,86 +0,0 @@
-package config2_test
-
-import (
-	"encoding/json"
-	"testing"
-
-	"github.com/9seconds/mtg/v2/internal/config2"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/suite"
-)
-
-type typeBytesTestStruct struct {
-	Value config2.TypeBytes `json:"value"`
-}
-
-type TypeBytesTestSuite struct {
-	suite.Suite
-}
-
-func (suite *TypeBytesTestSuite) TestUnmarshalFail() {
-	testData := []string{
-		"1m",
-		"1",
-		"-1kb",
-		"-1kib",
-	}
-
-	for _, v := range testData {
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			assert.Error(t, json.Unmarshal(data, &typeBytesTestStruct{}))
-		})
-	}
-}
-
-func (suite *TypeBytesTestSuite) TestUnmarshalOk() {
-	testData := map[string]uint{
-		"1b":   1,
-		"1kb":  1024,
-		"1kib": 1024,
-		"2mb":  2 * 1024 * 1024,
-		"2mib": 2 * 1024 * 1024,
-	}
-
-	for k, v := range testData {
-		value := v
-
-		data, err := json.Marshal(map[string]string{
-			"value": k,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(k, func(t *testing.T) {
-			testStruct := &typeBytesTestStruct{}
-
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.EqualValues(t, value, testStruct.Value.Get(0))
-		})
-	}
-}
-
-func (suite *TypeBytesTestSuite) TestMarshalOk() {
-    value := typeBytesTestStruct{}
-    suite.NoError(value.Value.Set("1kib"))
-
-    data, err := json.Marshal(value)
-    suite.NoError(err)
-    suite.JSONEq(`{"value": "1kib"}`, string(data))
-}
-
-func (suite *TypeBytesTestSuite) TestGet() {
-    value := config2.TypeBytes{}
-    suite.EqualValues(1000, value.Get(1000))
-
-    suite.NoError(value.Set("1mib"))
-    suite.EqualValues(1048576, value.Get(1000))
-}
-
-func TestTypeBytes(t *testing.T) {
-	t.Parallel()
-	suite.Run(t, &TypeBytesTestSuite{})
-}

internal/config2/type_duration.go

@@ -1,53 +0,0 @@
-package config2
-
-import (
-	"fmt"
-	"strings"
-	"time"
-)
-
-var typeDurationStringCleaner = strings.NewReplacer(" ", "", "\t", "")
-
-type TypeDuration struct {
-	Value time.Duration
-}
-
-func (t *TypeDuration) Set(value string) error {
-	parsedValue, err := time.ParseDuration(
-		typeDurationStringCleaner.Replace(strings.ToLower(value)))
-	if err != nil {
-		return fmt.Errorf("incorrect duration (%s): %w", value, err)
-	}
-
-	if parsedValue < 0 {
-		return fmt.Errorf("duration has to be a positive: %s", value)
-	}
-
-	t.Value = parsedValue
-
-	return nil
-}
-
-func (t TypeDuration) Get(defaultValue time.Duration) time.Duration {
-	if t.Value == 0 {
-		return defaultValue
-	}
-
-	return t.Value
-}
-
-func (t *TypeDuration) UnmarshalText(data []byte) error {
-	return t.Set(string(data))
-}
-
-func (t TypeDuration) MarshalText() ([]byte, error) {
-	return []byte(t.String()), nil
-}
-
-func (t TypeDuration) String() string {
-	if t.Value == 0 {
-		return ""
-	}
-
-	return t.Value.String()
-}

internal/config2/type_duration_test.go

@@ -1,110 +0,0 @@
-package config2_test
-
-import (
-	"encoding/json"
-	"testing"
-	"time"
-
-	"github.com/9seconds/mtg/v2/internal/config2"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/suite"
-)
-
-type typeDurationTestStruct struct {
-	Value config2.TypeDuration `json:"value"`
-}
-
-type TypeDurationTestSuite struct {
-	suite.Suite
-}
-
-func (suite *TypeDurationTestSuite) TestUnmarshalFail() {
-	testData := []string{
-		"-1s",
-		"1 seconds ago",
-		"1s ago",
-		"",
-	}
-
-	for _, v := range testData {
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			assert.Error(t, json.Unmarshal(data, &typeDurationTestStruct{}))
-		})
-	}
-}
-
-func (suite *TypeDurationTestSuite) TestUnmarshalOk() {
-	testData := map[string]time.Duration{
-		"1s":   time.Second,
-		"0":    0 * time.Second,
-		"0s":   0 * time.Second,
-		"1\tM": time.Minute,
-		"1H":   time.Hour,
-		"1 h":  time.Hour,
-	}
-
-	for k, v := range testData {
-		value := v
-
-		data, err := json.Marshal(map[string]string{
-			"value": k,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(k, func(t *testing.T) {
-			testStruct := &typeDurationTestStruct{}
-
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t, value, testStruct.Value.Value)
-		})
-	}
-}
-
-func (suite *TypeDurationTestSuite) TestMarshalOk() {
-	testData := map[string]string{
-		"1s":  "1s",
-		"0":   "",
-		"0s":  "",
-		"0ms": "",
-		"1 H": "1h0m0s",
-	}
-
-	for k, v := range testData {
-		value := k
-		expected := v
-
-		suite.T().Run(value, func(t *testing.T) {
-			testStruct := &typeDurationTestStruct{}
-
-			assert.NoError(t, testStruct.Value.Set(value))
-
-			data, err := json.Marshal(testStruct)
-			assert.NoError(t, err)
-
-			expectedJson, err := json.Marshal(map[string]string{
-				"value": expected,
-			})
-			assert.NoError(t, err)
-
-			assert.JSONEq(t, string(expectedJson), string(data))
-		})
-	}
-}
-
-func (suite *TypeDurationTestSuite) TestGet() {
-	value := config2.TypeDuration{}
-	suite.Equal(time.Second, value.Get(time.Second))
-
-	value.Value = 3 * time.Second
-	suite.Equal(3*time.Second, value.Get(time.Hour))
-}
-
-func TestTypeDuration(t *testing.T) {
-	t.Parallel()
-	suite.Run(t, &TypeDurationTestSuite{})
-}

internal/config2/type_error_rate.go

@@ -1,47 +0,0 @@
-package config2
-
-import (
-	"fmt"
-	"strconv"
-)
-
-const typeErrorRateIgnoreLess = 1e-8
-
-type TypeErrorRate struct {
-	Value float64
-}
-
-func (t *TypeErrorRate) Set(value string) error {
-	parsedValue, err := strconv.ParseFloat(value, 64)
-	if err != nil {
-		return fmt.Errorf("Value is not a float (%s): %w", value, err)
-	}
-
-	if parsedValue <= 0.0 || parsedValue >= 100.0 {
-		return fmt.Errorf("Value should be 0 < x < 100 (%s)", value)
-	}
-
-	t.Value = parsedValue
-
-	return nil
-}
-
-func (t TypeErrorRate) Get(defaultValue float64) float64 {
-	if t.Value < typeErrorRateIgnoreLess {
-		return defaultValue
-	}
-
-	return t.Value
-}
-
-func (t *TypeErrorRate) UnmarshalText(data []byte) error {
-	return t.Set(string(data))
-}
-
-func (t TypeErrorRate) MarshalText() ([]byte, error) {
-	return []byte(t.String()), nil
-}
-
-func (t TypeErrorRate) String() string {
-	return strconv.FormatFloat(t.Value, 'f', -1, 64)
-}

internal/config2/type_error_rate_test.go

@@ -1,94 +0,0 @@
-package config2_test
-
-import (
-	"encoding/json"
-	"testing"
-
-	"github.com/9seconds/mtg/v2/internal/config2"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/suite"
-)
-
-type typeErrorRateTestStruct struct {
-	Value config2.TypeErrorRate `json:"value"`
-}
-
-type TypeErrorRateTestSuite struct {
-	suite.Suite
-}
-
-func (suite *TypeErrorRateTestSuite) TestUnmarshalFail() {
-	testData := []string{
-		"",
-		"1s",
-		"1,",
-		"1,2",
-		".",
-		"3.4.5",
-		"3.5.",
-		".3.5",
-		"some word",
-		"1e2",
-		"-1.0",
-	}
-
-	for _, v := range testData {
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			assert.Error(t, json.Unmarshal(data, &typeErrorRateTestStruct{}))
-		})
-	}
-}
-
-func (suite *TypeErrorRateTestSuite) TestUnmarshalOk() {
-	testData := map[string]float64{
-		"1":   1.0,
-		"1.0": 1.0,
-		"0.5": 0.5,
-		".5":  0.5,
-	}
-
-	for k, v := range testData {
-		value := v
-
-		data, err := json.Marshal(map[string]string{
-			"value": k,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(k, func(t *testing.T) {
-			testStruct := &typeErrorRateTestStruct{}
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.InEpsilon(t, value, testStruct.Value.Value, 1e-10)
-		})
-	}
-}
-
-func (suite *TypeErrorRateTestSuite) TestMarshalOk() {
-	testStruct := typeErrorRateTestStruct{
-		Value: config2.TypeErrorRate{
-			Value: 1.01,
-		},
-	}
-
-	encodedJson, err := json.Marshal(testStruct)
-	suite.NoError(err)
-	suite.JSONEq(`{"value": "1.01"}`, string(encodedJson))
-}
-
-func (suite *TypeErrorRateTestSuite) TestGet() {
-	value := config2.TypeErrorRate{}
-	suite.InEpsilon(1.0, value.Get(1.0), 1e-10)
-
-	value.Value = 5.0
-	suite.InEpsilon(5.0, value.Get(1.0), 1e-10)
-}
-
-func TestTypeErrorRate(t *testing.T) {
-	t.Parallel()
-	suite.Run(t, &TypeErrorRateTestSuite{})
-}

internal/config2/type_hostport.go

@@ -1,59 +0,0 @@
-package config2
-
-import (
-	"fmt"
-	"net"
-	"strconv"
-)
-
-type TypeHostPort struct {
-	Value string
-}
-
-func (t *TypeHostPort) Set(value string) error {
-	host, port, err := net.SplitHostPort(value)
-	if err != nil {
-		return fmt.Errorf("incorrect host:port value (%v): %w", value, err)
-	}
-
-	portValue, err := strconv.ParseUint(port, 10, 16)
-	if err != nil {
-		return fmt.Errorf("incorrect port number (%v): %w", value, err)
-	}
-
-	if portValue == 0 {
-		return fmt.Errorf("incorrect port number (%s)", value)
-	}
-
-	if host == "" {
-		return fmt.Errorf("empty host: %s", value)
-	}
-
-	if net.ParseIP(host) == nil {
-		return fmt.Errorf("host is not an IP address: %s", value)
-	}
-
-	t.Value = net.JoinHostPort(host, port)
-
-	return nil
-}
-
-func (t TypeHostPort) Get(defaultValue string) string {
-	if t.Value == "" {
-		return defaultValue
-	}
-
-	return t.Value
-}
-
-func (t *TypeHostPort) UnmarshalText(data []byte) error {
-	return t.Set(string(data))
-}
-
-func (t TypeHostPort) MarshalText() ([]byte, error) {
-	return []byte(t.String()), nil
-}
-
-func (t TypeHostPort) String() string {
-	return t.Value
-}

internal/config2/type_hostport_test.go

@@ -1,88 +0,0 @@
-package config2_test
-
-import (
-	"encoding/json"
-	"testing"
-
-	"github.com/9seconds/mtg/v2/internal/config2"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/suite"
-)
-
-type typeHostPortTestStruct struct {
-	Value config2.TypeHostPort `json:"value"`
-}
-
-type TypeHostPortTestSuite struct {
-	suite.Suite
-}
-
-func (suite *TypeHostPortTestSuite) TestUnmarshalFail() {
-	testData := []string{
-		":",
-		":800",
-		"127.0.0.1:8000000",
-		"12...:80",
-		"",
-		"localhost",
-		"google.com:",
-	}
-
-	for _, v := range testData {
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			assert.Error(t, json.Unmarshal(data, &typeHostPortTestStruct{}))
-		})
-	}
-}
-
-func (suite *TypeHostPortTestSuite) TestUnmarshalOk() {
-	testData := []string{
-		"127.0.0.1:80",
-		"10.0.0.10:6553",
-	}
-
-	for _, v := range testData {
-		value := v
-
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			testStruct := &typeHostPortTestStruct{}
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t, value, testStruct.Value.Value)
-		})
-	}
-}
-
-func (suite *TypeHostPortTestSuite) TestMarshalOk() {
-	testStruct := typeHostPortTestStruct{
-		Value: config2.TypeHostPort{
-			Value: "127.0.0.1:8000",
-		},
-	}
-
-	data, err := json.Marshal(testStruct)
-	suite.NoError(err)
-	suite.JSONEq(`{"value": "127.0.0.1:8000"}`, string(data))
-}
-
-func (suite *TypeHostPortTestSuite) TestGet() {
-	value := config2.TypeHostPort{}
-	suite.Equal("127.0.0.1:9000", value.Get("127.0.0.1:9000"))
-
-	value.Value = "127.0.0.1:80"
-	suite.Equal("127.0.0.1:80", value.Get("127.0.0.1:9000"))
-}
-
-func TestTypeHostPort(t *testing.T) {
-	t.Parallel()
-	suite.Run(t, &TypeHostPortTestSuite{})
-}

internal/config2/type_http_path.go

@@ -1,33 +0,0 @@
-package config2
-
-import "strings"
-
-type TypeHTTPPath struct {
-	Value string
-}
-
-func (t *TypeHTTPPath) Set(value string) error {
-	t.Value = "/" + strings.Trim(value, "/")
-
-	return nil
-}
-
-func (t TypeHTTPPath) Get(defaultValue string) string {
-	if t.Value == "" {
-		return defaultValue
-	}
-
-	return t.Value
-}
-
-func (t *TypeHTTPPath) UnmarshalText(data []byte) error {
-	return t.Set(string(data))
-}
-
-func (t TypeHTTPPath) MarshalText() ([]byte, error) {
-	return []byte(t.String()), nil
-}
-
-func (t TypeHTTPPath) String() string {
-	return t.Value
-}

internal/config2/type_http_path_test.go

@@ -1,67 +0,0 @@
-package config2_test
-
-import (
-	"encoding/json"
-	"testing"
-
-	"github.com/9seconds/mtg/v2/internal/config2"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/suite"
-)
-
-type typeHTTPPathTestStruct struct {
-	Value config2.TypeHTTPPath `json:"value"`
-}
-
-type TypeHTTPPathTestSuite struct {
-	suite.Suite
-}
-
-func (suite *TypeHTTPPathTestSuite) TestUnmarshalOk() {
-	testData := map[string]string{
-		"":      "/",
-		"/":     "/",
-		"/path": "/path",
-		"path":  "/path",
-	}
-
-	for k, v := range testData {
-		value := v
-
-		data, err := json.Marshal(map[string]string{
-			"value": k,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(k, func(t *testing.T) {
-			testStruct := &typeHTTPPathTestStruct{}
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t, value, testStruct.Value.Get(""))
-		})
-	}
-}
-
-func (suite *TypeHTTPPathTestSuite) TestMarshalOk() {
-	value := typeHTTPPathTestStruct{
-		Value: config2.TypeHTTPPath{
-			Value: "/path",
-		},
-	}
-
-	data, err := json.Marshal(value)
-	suite.NoError(err)
-	suite.JSONEq(`{"value": "/path"}`, string(data))
-}
-
-func (suite *TypeHTTPPathTestSuite) TestGet() {
-	value := config2.TypeHTTPPath{}
-	suite.Equal("/hello", value.Get("/hello"))
-
-	suite.NoError(value.Set("/lalala"))
-	suite.Equal("/lalala", value.Get("/hello"))
-}
-
-func TestTypeHTTPPath(t *testing.T) {
-	t.Parallel()
-	suite.Run(t, &TypeHTTPPathTestSuite{})
-}

internal/config2/type_ip.go

@@ -1,45 +0,0 @@
-package config2
-
-import (
-	"fmt"
-	"net"
-)
-
-type TypeIP struct {
-	Value net.IP
-}
-
-func (t *TypeIP) Set(value string) error {
-	ip := net.ParseIP(value)
-	if ip == nil {
-		return fmt.Errorf("incorret ip %s", value)
-	}
-
-    t.Value = ip
-
-	return nil
-}
-
-func (t *TypeIP) Get(defaultValue net.IP) net.IP {
-	if len(t.Value) == 0 {
-		return defaultValue
-	}
-
-	return t.Value
-}
-
-func (t *TypeIP) UnmarshalText(data []byte) error {
-	return t.Set(string(data))
-}
-
-func (t TypeIP) MarshalText() ([]byte, error) {
-	return []byte(t.String()), nil
-}
-
-func (t TypeIP) String() string {
-	if len(t.Value) == 0 {
-		return ""
-	}
-
-	return t.Value.String()
-}

internal/config2/type_ip_test.go

@@ -1,104 +0,0 @@
-package config2_test
-
-import (
-	"encoding/json"
-	"net"
-	"testing"
-
-	"github.com/9seconds/mtg/v2/internal/config2"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/suite"
-)
-
-type typeIPTestStruct struct {
-	Value config2.TypeIP `json:"value"`
-}
-
-type TypeIPTestSuite struct {
-	suite.Suite
-}
-
-func (suite *TypeIPTestSuite) TestUnmarshalFail() {
-	testData := []string{
-		"",
-		"....",
-		"0...",
-		"300.200.200.800",
-		"[]",
-	}
-
-	for _, v := range testData {
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			assert.Error(t, json.Unmarshal(data, &typeIPTestStruct{}))
-		})
-	}
-}
-
-func (suite *TypeIPTestSuite) TestUnmarshalOk() {
-	testData := map[string]string{
-		"2001:0db8:85a3:0000:0000:8a2e:0370:7334": "2001:db8:85a3::8a2e:370:7334",
-		"127.0.0.1": "127.0.0.1",
-	}
-
-	for k, v := range testData {
-		expected := v
-
-		data, err := json.Marshal(map[string]string{
-			"value": k,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(k, func(t *testing.T) {
-			testStruct := &typeIPTestStruct{}
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t, expected, testStruct.Value.Get(nil).String())
-		})
-	}
-}
-
-func (suite *TypeIPTestSuite) TestMarshalOk() {
-	testData := []string{
-		"2001:db8:85a3::8a2e:370:7334",
-		"127.0.0.1",
-	}
-
-	for _, v := range testData {
-		value := v
-
-		suite.T().Run(v, func(t *testing.T) {
-			testStruct := &typeIPTestStruct{
-				Value: config2.TypeIP{
-					Value: net.ParseIP(value),
-				},
-			}
-
-			encodedJSON, err := json.Marshal(testStruct)
-			assert.NoError(t, err)
-
-			expectedJSON, err := json.Marshal(map[string]string{
-				"value": value,
-			})
-			assert.NoError(t, err)
-
-			assert.JSONEq(t, string(expectedJSON), string(encodedJSON))
-		})
-	}
-}
-
-func (suite *TypeIPTestSuite) TestGet() {
-	value := config2.TypeIP{}
-	suite.Equal("127.0.0.1", value.Get(net.ParseIP("127.0.0.1")).String())
-
-	suite.NoError(value.Set("127.0.0.2"))
-	suite.Equal("127.0.0.2", value.Get(net.ParseIP("127.0.0.1")).String())
-}
-
-func TestTypeIP(t *testing.T) {
-	t.Parallel()
-	suite.Run(t, &TypeIPTestSuite{})
-}

internal/config2/type_metric_prefix.go

@@ -1,40 +0,0 @@
-package config2
-
-import (
-	"fmt"
-	"regexp"
-)
-
-type TypeMetricPrefix struct {
-	Value string
-}
-
-func (t *TypeMetricPrefix) Set(value string) error {
-	if ok, err := regexp.MatchString("^[a-z0-9]+$", value); !ok || err != nil {
-        return fmt.Errorf("incorrect metric prefix %s: %w", value, err)
-	}
-
-    t.Value = value
-
-	return nil
-}
-
-func (t TypeMetricPrefix) Get(defaultValue string) string {
-	if t.Value == "" {
-		return defaultValue
-	}
-
-	return t.Value
-}
-
-func (t *TypeMetricPrefix) UnmarshalText(data []byte) error {
-	return t.Set(string(data))
-}
-
-func (t TypeMetricPrefix) MarshalText() ([]byte, error) {
-	return []byte(t.String()), nil
-}
-
-func (t TypeMetricPrefix) String() string {
-	return t.Value
-}

internal/config2/type_metric_prefix_test.go

@@ -1,70 +0,0 @@
-package config2_test
-
-import (
-	"encoding/json"
-	"testing"
-
-	"github.com/9seconds/mtg/v2/internal/config2"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/suite"
-)
-
-type typeMetricPrefixTestStruct struct {
-	Value config2.TypeMetricPrefix `json:"value"`
-}
-
-type TypeMetricPrefixTestSuite struct {
-	suite.Suite
-}
-
-func (suite *TypeMetricPrefixTestSuite) TestUnmarshalFail() {
-	testData := []string{
-		"",
-		"-",
-		"hello/world",
-		"lala*",
-		"++sdf++",
-	}
-
-	for _, v := range testData {
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			assert.Error(t, json.Unmarshal(data, &typeMetricPrefixTestStruct{}))
-		})
-	}
-}
-
-func (suite *TypeMetricPrefixTestSuite) TestUnmarshalOk() {
-	testStruct := &typeMetricPrefixTestStruct{}
-	suite.NoError(json.Unmarshal([]byte(`{"value": "mtg"}`), testStruct))
-	suite.Equal("mtg", testStruct.Value.Get("lalala"))
-}
-
-func (suite *TypeMetricPrefixTestSuite) TestMarshalOk() {
-	testStruct := &typeMetricPrefixTestStruct{
-		Value: config2.TypeMetricPrefix{
-			Value: "mtg",
-		},
-	}
-
-	data, err := json.Marshal(testStruct)
-	suite.NoError(err)
-	suite.JSONEq(`{"value": "mtg"}`, string(data))
-}
-
-func (suite *TypeMetricPrefixTestSuite) TestGet() {
-	value := config2.TypeMetricPrefix{}
-	suite.Equal("lalala", value.Get("lalala"))
-
-	value.Value = "mtg"
-	suite.Equal("mtg", value.Get("lalala"))
-}
-
-func TestTypeMetricPrefix(t *testing.T) {
-	t.Parallel()
-	suite.Run(t, &TypeMetricPrefixTestSuite{})
-}

internal/config2/type_port.go

@@ -1,45 +0,0 @@
-package config2
-
-import (
-	"fmt"
-	"strconv"
-)
-
-type TypePort struct {
-	Value uint16
-}
-
-func (t *TypePort) Set(value string) error {
-	portValue, err := strconv.ParseUint(value, 10, 16)
-	if err != nil {
-		return fmt.Errorf("incorrect port number (%v): %w", value, err)
-	}
-
-	if portValue == 0 {
-		return fmt.Errorf("incorrect port number (%s)", value)
-	}
-
-    t.Value = uint16(portValue)
-
-	return nil
-}
-
-func (t TypePort) Get(defaultValue uint16) uint16 {
-	if t.Value == 0 {
-		return defaultValue
-	}
-
-	return t.Value
-}
-
-func (t *TypePort) UnmarshalJSON(data []byte) error {
-	return t.Set(string(data))
-}
-
-func (t TypePort) MarshalJSON() ([]byte, error) {
-	return []byte(t.String()), nil
-}
-
-func (t TypePort) String() string {
-	return strconv.Itoa(int(t.Value))
-}

internal/config2/type_port_test.go

@@ -1,71 +0,0 @@
-package config2_test
-
-import (
-	"encoding/json"
-	"testing"
-
-	"github.com/9seconds/mtg/v2/internal/config2"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/suite"
-)
-
-type typePortTestStruct struct {
-	Value config2.TypePort `json:"value"`
-}
-
-type TypePortTestSuite struct {
-	suite.Suite
-}
-
-func (suite *TypePortTestSuite) TestUnmarshalFail() {
-	testData := []string{
-		"",
-		"port",
-		"0",
-		"-1",
-		"1.5",
-		"70000",
-	}
-
-	for _, v := range testData {
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			assert.Error(t, json.Unmarshal(data, &typePortTestStruct{}))
-		})
-	}
-}
-
-func (suite *TypePortTestSuite) TestUnmarshalOk() {
-	testStruct := &typePortTestStruct{}
-	suite.NoError(json.Unmarshal([]byte(`{"value": 5}`), testStruct))
-	suite.EqualValues(5, testStruct.Value.Value)
-}
-
-func (suite *TypePortTestSuite) TestMarshalOk() {
-	testStruct := &typePortTestStruct{
-		Value: config2.TypePort{
-			Value: 10,
-		},
-	}
-
-	data, err := json.Marshal(testStruct)
-	suite.NoError(err)
-	suite.JSONEq(`{"value":10}`, string(data))
-}
-
-func (suite *TypePortTestSuite) TestGet() {
-	value := config2.TypePort{}
-	suite.EqualValues(10, value.Get(10))
-
-	value.Value = 100
-	suite.EqualValues(100, value.Get(10))
-}
-
-func TestTypePort(t *testing.T) {
-	t.Parallel()
-	suite.Run(t, &TypePortTestSuite{})
-}

internal/config2/type_prefer_ip.go

@@ -1,62 +0,0 @@
-package config2
-
-import (
-	"fmt"
-	"strings"
-)
-
-const (
-	// TypePreferIPPreferIPv4 states that you prefer to use IPv4 addresses
-	// but IPv6 is also possible.
-	TypePreferIPPreferIPv4 = "prefer-ipv4"
-
-	// TypePreferIPPreferIPv6 states that you prefer to use IPv6 addresses
-	// but IPv4 is also possible.
-	TypePreferIPPreferIPv6 = "prefer-ipv6"
-
-	// TypePreferOnlyIPv4 states that you prefer to use IPv4 addresses
-	// only.
-	TypePreferOnlyIPv4 = "only-ipv4"
-
-	// TypePreferOnlyIPv6 states that you prefer to use IPv6 addresses
-	// only.
-	TypePreferOnlyIPv6 = "only-ipv6"
-)
-
-type TypePreferIP struct {
-	Value string
-}
-
-func (t *TypePreferIP) Set(value string) error {
-	value = strings.ToLower(value)
-
-	switch value {
-	case TypePreferIPPreferIPv4, TypePreferIPPreferIPv6,
-		TypePreferOnlyIPv4, TypePreferOnlyIPv6:
-        t.Value = value
-
-		return nil
-	default:
-		return fmt.Errorf("unsupported ip preference: %s", value)
-	}
-}
-
-func (t *TypePreferIP) Get(defaultValue string) string {
-	if t.Value == "" {
-		return defaultValue
-	}
-
-	return t.Value
-}
-
-func (t *TypePreferIP) UnmarshalText(data []byte) error {
-	return t.Set(string(data))
-}
-
-func (t TypePreferIP) MarshalText() ([]byte, error) {
-	return []byte(t.String()), nil
-}
-
-func (t TypePreferIP) String() string {
-	return t.Value
-}

internal/config2/type_prefer_ip_test.go

@@ -1,113 +0,0 @@
-package config2_test
-
-import (
-	"encoding/json"
-	"strings"
-	"testing"
-
-	"github.com/9seconds/mtg/v2/internal/config2"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/suite"
-)
-
-type typePreferIPTestStruct struct {
-	Value config2.TypePreferIP `json:"value"`
-}
-
-type TypePreferIPTestSuite struct {
-	suite.Suite
-}
-
-func (suite *TypePreferIPTestSuite) TestUnmarshalFail() {
-	testData := []string{
-		"",
-		"prefer",
-		"preferipv4",
-		config2.TypePreferIPPreferIPv4 + "_",
-	}
-
-	for _, v := range testData {
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			assert.Error(t, json.Unmarshal(data, &typePreferIPTestStruct{}))
-		})
-	}
-}
-
-func (suite *TypePreferIPTestSuite) TestUnmarshalOk() {
-	testData := []string{
-		config2.TypePreferIPPreferIPv4,
-		config2.TypePreferIPPreferIPv6,
-		config2.TypePreferOnlyIPv4,
-		config2.TypePreferOnlyIPv6,
-		strings.ToTitle(config2.TypePreferOnlyIPv4),
-		strings.ToTitle(config2.TypePreferOnlyIPv6),
-		strings.ToTitle(config2.TypePreferIPPreferIPv4),
-		strings.ToTitle(config2.TypePreferIPPreferIPv6),
-	}
-
-	for _, v := range testData {
-		value := v
-
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			testStruct := &typePreferIPTestStruct{}
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t, strings.ToLower(value), testStruct.Value.Value)
-		})
-	}
-}
-
-func (suite *TypePreferIPTestSuite) TestMarshalOk() {
-	testData := []string{
-		config2.TypePreferIPPreferIPv4,
-		config2.TypePreferIPPreferIPv6,
-		config2.TypePreferOnlyIPv4,
-		config2.TypePreferOnlyIPv6,
-	}
-
-	for _, v := range testData {
-		value := v
-
-		suite.T().Run(v, func(t *testing.T) {
-			testStruct := &typePreferIPTestStruct{
-				Value: config2.TypePreferIP{
-					Value: value,
-				},
-			}
-
-			encodedJSON, err := json.Marshal(testStruct)
-			assert.NoError(t, err)
-
-			expectedJSON, err := json.Marshal(map[string]string{
-				"value": value,
-			})
-			assert.NoError(t, err)
-
-			assert.JSONEq(t, string(expectedJSON), string(encodedJSON))
-		})
-	}
-}
-
-func (suite *TypePreferIPTestSuite) TestGet() {
-	value := config2.TypePreferIP{}
-	suite.Equal(config2.TypePreferIPPreferIPv4,
-		value.Get(config2.TypePreferIPPreferIPv4))
-
-	suite.NoError(value.Set(config2.TypePreferIPPreferIPv6))
-	suite.Equal(config2.TypePreferIPPreferIPv6,
-		value.Get(config2.TypePreferIPPreferIPv4))
-}
-
-func TestTypePreferIP(t *testing.T) {
-	t.Parallel()
-	suite.Run(t, &TypePreferIPTestSuite{})
-}

internal/config2/type_statsd_tag_format.go

@@ -1,58 +0,0 @@
-package config2
-
-import (
-	"fmt"
-	"strings"
-)
-
-const (
-	// TypeStatsdTagFormatInfluxdb defines a tag format compatible with
-	// InfluxDB.
-	TypeStatsdTagFormatInfluxdb = "influxdb"
-
-	// TypeStatsdTagFormatDatadog defines a tag format compatible with
-	// DataDog.
-	TypeStatsdTagFormatDatadog = "datadog"
-
-	// TypeStatsdTagFormatGraphite defines a tag format compatible with
-	// Graphite.
-	TypeStatsdTagFormatGraphite = "graphite"
-)
-
-type TypeStatsdTagFormat struct {
-	Value string
-}
-
-func (t *TypeStatsdTagFormat) Set(value string) error {
-	lowercasedValue := strings.ToLower(value)
-
-	switch lowercasedValue {
-	case TypeStatsdTagFormatDatadog, TypeStatsdTagFormatInfluxdb,
-		TypeStatsdTagFormatGraphite:
-        t.Value = lowercasedValue
-
-		return nil
-	default:
-		return fmt.Errorf("unknown tag format %s", value)
-	}
-}
-
-func (t TypeStatsdTagFormat) Get(defaultValue string) string {
-	if t.Value == "" {
-		return defaultValue
-	}
-
-	return t.Value
-}
-
-func (t *TypeStatsdTagFormat) UnmarshalText(data []byte) error {
-	return t.Set(string(data))
-}
-
-func (t *TypeStatsdTagFormat) MarshalText() ([]byte, error) {
-	return []byte(t.String()), nil
-}
-
-func (t *TypeStatsdTagFormat) String() string {
-	return t.Value
-}

internal/config2/type_statsd_tag_format_test.go

@@ -1,108 +0,0 @@
-package config2_test
-
-import (
-	"encoding/json"
-	"strings"
-	"testing"
-
-	"github.com/9seconds/mtg/v2/internal/config2"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/suite"
-)
-
-type typeStatsdTagFormatTestStruct struct {
-	Value config2.TypeStatsdTagFormat `json:"value"`
-}
-
-type StatsdTagFormatTestSuite struct {
-	suite.Suite
-}
-
-func (suite *StatsdTagFormatTestSuite) TestUnmarshalFail() {
-	testData := []string{
-		"",
-		"dogdog",
-	}
-
-	for _, v := range testData {
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			assert.Error(t, json.Unmarshal(data, &typeStatsdTagFormatTestStruct{}))
-		})
-	}
-}
-
-func (suite *StatsdTagFormatTestSuite) TestUnmarshalOk() {
-	testData := []string{
-		config2.TypeStatsdTagFormatInfluxdb,
-		config2.TypeStatsdTagFormatGraphite,
-		config2.TypeStatsdTagFormatDatadog,
-		strings.ToUpper(config2.TypeStatsdTagFormatInfluxdb),
-		strings.ToUpper(config2.TypeStatsdTagFormatGraphite),
-		strings.ToUpper(config2.TypeStatsdTagFormatDatadog),
-	}
-
-	for _, v := range testData {
-		value := v
-
-		data, err := json.Marshal(map[string]string{
-			"value": v,
-		})
-		suite.NoError(err)
-
-		suite.T().Run(v, func(t *testing.T) {
-			testStruct := &typeStatsdTagFormatTestStruct{}
-			assert.NoError(t, json.Unmarshal(data, testStruct))
-			assert.Equal(t, strings.ToLower(value), testStruct.Value.Value)
-		})
-	}
-}
-
-func (suite *StatsdTagFormatTestSuite) TestMarshalOk() {
-	testData := []string{
-		config2.TypeStatsdTagFormatInfluxdb,
-		config2.TypeStatsdTagFormatGraphite,
-		config2.TypeStatsdTagFormatDatadog,
-	}
-
-	for _, v := range testData {
-		value := v
-
-		suite.T().Run(v, func(t *testing.T) {
-			testStruct := &typeStatsdTagFormatTestStruct{
-				Value: config2.TypeStatsdTagFormat{
-					Value: value,
-				},
-			}
-
-			encodedJSON, err := json.Marshal(testStruct)
-			assert.NoError(t, err)
-
-			expectedJSON, err := json.Marshal(map[string]string{
-				"value": value,
-			})
-			assert.NoError(t, err)
-
-			assert.JSONEq(t, string(expectedJSON), string(encodedJSON))
-		})
-	}
-}
-
-func (suite *StatsdTagFormatTestSuite) TestGet() {
-	value := config2.TypeStatsdTagFormat{}
-	suite.Equal(config2.TypeStatsdTagFormatDatadog,
-		value.Get(config2.TypeStatsdTagFormatDatadog))
-
-	suite.NoError(value.Set(config2.TypeStatsdTagFormatInfluxdb))
-	suite.Equal(config2.TypeStatsdTagFormatInfluxdb,
-		value.Get(config2.TypeStatsdTagFormatDatadog))
-}
-
-func TestTypeStatsdTagFormat(t *testing.T) {
-	t.Parallel()
-	suite.Run(t, &StatsdTagFormatTestSuite{})
-}